AP Polls
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
|---|---|---|---|---|---|---|---|
| 15 | Final | 1 | Nebraska | 3 | 2 | 39 | Big 8 |
| 15 | Final | 2 | Notre Dame | 6 | 4 | 8 | Ind |
| 15 | Final | 3 | Texas | 1 | 2 | 3 | SWC |
| 15 | Final | 4 | Tennessee | 4 | SEC | ||
| 15 | Final | 5 | Ohio State | 2 | 3 | Big Ten | |
| 15 | Final | 6 | Arizona State | 8 | 2 | 2 | WAC |
| 15 | Final | 7 | LSU | 5 | 2 | SEC | |
| 15 | Final | 8 | Stanford | 12 | 4 | Pac-8 | |
| 15 | Final | 9 | Michigan | 7 | 2 | Big Ten | |
| 15 | Final | 10 | Auburn | 10 | SEC | ||
| 15 | Final | 11 | Arkansas | 9 | 2 | SWC | |
| 15 | Final | 12 | Toledo | 15 | 3 | MAC | |
| 15 | Final | 13 | Georgia Tech | 13 | Ind | ||
| 15 | Final | 14 | Dartmouth | 14 | Ivy | ||
| 15 | Final | 15 | USC | 16 | 1 | Pac-8 | |
| 15 | Final | 16 | Air Force | 11 | 5 | Ind | |
| 15 | Final | 17 | Tulane | Ind | |||
| 15 | Final | 18 | Penn State | 18 | Ind | ||
| 15 | Final | 19 | Houston | 17 | 2 | Ind | |
| 15 | Final | 20 | Ole Miss | SEC | |||
| 15 | Final | 20 | Oklahoma | 20 | Big 8 | ||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 14 | 1970-12-07 | 1 | Texas (10-0-0) | 1 | 30 | SWC | |
| 14 | 1970-12-07 | 2 | Ohio State (9-0-0) | 2 | 10 | Big Ten | |
| 14 | 1970-12-07 | 3 | Nebraska (10-0-1) | 3 | 2 | Big 8 | |
| 14 | 1970-12-07 | 4 | Tennessee (10-1-0) | 5 | 1 | SEC | |
| 14 | 1970-12-07 | 5 | LSU (9-2-0) | 8 | 3 | SEC | |
| 14 | 1970-12-07 | 6 | Notre Dame (9-1-0) | 6 | Ind | ||
| 14 | 1970-12-07 | 7 | Michigan (9-1-0) | 7 | Big Ten | ||
| 14 | 1970-12-07 | 8 | Arizona State (10-0-0) | 9 | 1 | 2 | WAC |
| 14 | 1970-12-07 | 9 | Arkansas (9-2-0) | 4 | 5 | SWC | |
| 14 | 1970-12-07 | 10 | Auburn (8-2-0) | 10 | SEC | ||
| 14 | 1970-12-07 | 11 | Air Force (9-2-0) | 11 | Ind | ||
| 14 | 1970-12-07 | 12 | Stanford (8-3-0) | 12 | Pac-8 | ||
| 14 | 1970-12-07 | 13 | Georgia Tech (8-3-0) | 13 | Ind | ||
| 14 | 1970-12-07 | 14 | Dartmouth (9-0-0) | 15 | 1 | Ivy | |
| 14 | 1970-12-07 | 15 | Toledo (11-0-0) | 14 | 1 | MAC | |
| 14 | 1970-12-07 | 16 | USC (6-4-1) | 17 | 1 | Pac-8 | |
| 14 | 1970-12-07 | 17 | Houston (8-3-0) | Ind | |||
| 14 | 1970-12-07 | 18 | Penn State (7-3-0) | 18 | Ind | ||
| 14 | 1970-12-07 | 19 | Texas Tech (8-3-0) | SWC | |||
| 14 | 1970-12-07 | 20 | Oklahoma (7-4-0) | 20 | Big 8 | ||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 13 | 1970-11-30 | 1 | Texas (9-0-0) | 1 | 23 | SWC | |
| 13 | 1970-11-30 | 2 | Ohio State (9-0-0) | 2 | 12 | Big Ten | |
| 13 | 1970-11-30 | 3 | Nebraska (10-0-1) | 3 | 5 | Big 8 | |
| 13 | 1970-11-30 | 4 | Arkansas (9-1-0) | 5 | 1 | SWC | |
| 13 | 1970-11-30 | 5 | Tennessee (9-1-0) | 7 | 2 | SEC | |
| 13 | 1970-11-30 | 6 | Notre Dame (9-1-0) | 4 | 2 | Ind | |
| 13 | 1970-11-30 | 7 | Michigan (9-1-0) | 8 | 1 | Big Ten | |
| 13 | 1970-11-30 | 8 | LSU (8-2-0) | 6 | 2 | SEC | |
| 13 | 1970-11-30 | 9 | Arizona State (9-0-0) | 9 | 2 | WAC | |
| 13 | 1970-11-30 | 10 | Auburn (8-2-0) | 11 | 1 | SEC | |
| 13 | 1970-11-30 | 11 | Air Force (9-2-0) | 12 | 1 | Ind | |
| 13 | 1970-11-30 | 12 | Stanford (8-3-0) | 13 | 1 | Pac-8 | |
| 13 | 1970-11-30 | 13 | Georgia Tech (8-3-0) | 16 | 3 | Ind | |
| 13 | 1970-11-30 | 14 | Toledo (11-0-0) | 15 | 1 | MAC | |
| 13 | 1970-11-30 | 15 | Dartmouth (9-0-0) | 14 | 1 | Ivy | |
| 13 | 1970-11-30 | 16 | Ole Miss (7-2-0) | 10 | 6 | SEC | |
| 13 | 1970-11-30 | 17 | USC (6-4-1) | Pac-8 | |||
| 13 | 1970-11-30 | 18 | Penn State (7-3-0) | 17 | 1 | Ind | |
| 13 | 1970-11-30 | 19 | Northwestern (6-4-0) | 18 | 1 | Big Ten | |
| 13 | 1970-11-30 | 20 | Oklahoma (7-4-0) | Big 8 | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 12 | 1970-11-23 | 1 | Texas (8-0-0) | 1 | 20 | SWC | |
| 12 | 1970-11-23 | 2 | Ohio State (9-0-0) | 5 | 3 | 14 | Big Ten |
| 12 | 1970-11-23 | 3 | Nebraska (10-0-1) | 3 | 6 | Big 8 | |
| 12 | 1970-11-23 | 4 | Notre Dame (9-0-0) | 2 | 2 | 3 | Ind |
| 12 | 1970-11-23 | 5 | Arkansas (9-1-0) | 6 | 1 | SWC | |
| 12 | 1970-11-23 | 6 | LSU (7-2-0) | 7 | 1 | SEC | |
| 12 | 1970-11-23 | 7 | Tennessee (8-1-0) | 8 | 1 | SEC | |
| 12 | 1970-11-23 | 8 | Michigan (9-1-0) | 4 | 4 | Big Ten | |
| 12 | 1970-11-23 | 9 | Arizona State (9-0-0) | 9 | 2 | WAC | |
| 12 | 1970-11-23 | 10 | Ole Miss (7-1-0) | 12 | 2 | SEC | |
| 12 | 1970-11-23 | 11 | Auburn (7-2-0) | 13 | 2 | SEC | |
| 12 | 1970-11-23 | 12 | Air Force (9-2-0) | 10 | 2 | Ind | |
| 12 | 1970-11-23 | 13 | Stanford (8-3-0) | 11 | 2 | Pac-8 | |
| 12 | 1970-11-23 | 14 | Dartmouth (9-0-0) | 16 | 2 | Ivy | |
| 12 | 1970-11-23 | 15 | Toledo (11-0-0) | 15 | MAC | ||
| 12 | 1970-11-23 | 16 | Georgia Tech (7-3-0) | 17 | 1 | Ind | |
| 12 | 1970-11-23 | 17 | Penn State (7-3-0) | 20 | 3 | Ind | |
| 12 | 1970-11-23 | 18 | Northwestern (6-4-0) | 18 | Big Ten | ||
| 12 | 1970-11-23 | 19 | Colorado (6-4-0) | Big 8 | |||
| 12 | 1970-11-23 | 20 | Washington (6-4-0) | Pac-8 | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 11 | 1970-11-16 | 1 | Texas (8-0-0) | 2 | 1 | 26 | SWC |
| 11 | 1970-11-16 | 2 | Notre Dame (8-0-0) | 1 | 1 | 7 | Ind |
| 11 | 1970-11-16 | 3 | Nebraska (9-0-1) | 4 | 1 | 5 | Big 8 |
| 11 | 1970-11-16 | 4 | Michigan (9-0-0) | 5 | 1 | 6 | Big Ten |
| 11 | 1970-11-16 | 5 | Ohio State (8-0-0) | 3 | 2 | 1 | Big Ten |
| 11 | 1970-11-16 | 6 | Arkansas (8-1-0) | 7 | 1 | SWC | |
| 11 | 1970-11-16 | 7 | LSU (7-1-0) | 9 | 2 | SEC | |
| 11 | 1970-11-16 | 8 | Tennessee (7-1-0) | 10 | 2 | SEC | |
| 11 | 1970-11-16 | 9 | Arizona State (8-0-0) | 11 | 2 | 1 | WAC |
| 11 | 1970-11-16 | 10 | Air Force (9-1-0) | 13 | 3 | Ind | |
| 11 | 1970-11-16 | 11 | Stanford (8-2-0) | 6 | 5 | Pac-8 | |
| 11 | 1970-11-16 | 12 | Ole Miss (7-1-0) | 12 | SEC | ||
| 11 | 1970-11-16 | 13 | Auburn (7-2-0) | 8 | 5 | SEC | |
| 11 | 1970-11-16 | 14 | San Diego State (9-0-0) | 14 | PCAA | ||
| 11 | 1970-11-16 | 15 | Toledo (10-0-0) | 16 | 1 | MAC | |
| 11 | 1970-11-16 | 16 | Dartmouth (8-0-0) | 15 | 1 | Ivy | |
| 11 | 1970-11-16 | 17 | Georgia Tech (7-3-0) | Ind | |||
| 11 | 1970-11-16 | 18 | Northwestern (5-4-0) | Big Ten | |||
| 11 | 1970-11-16 | 19 | Texas Tech (8-2-0) | SWC | |||
| 11 | 1970-11-16 | 20 | Penn State (6-3-0) | Ind | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 10 | 1970-11-09 | 1 | Notre Dame (7-0-0) | 2 | 1 | 23 | Ind |
| 10 | 1970-11-09 | 2 | Texas (7-0-0) | 1 | 1 | 13 | SWC |
| 10 | 1970-11-09 | 3 | Ohio State (7-0-0) | 3 | 3 | Big Ten | |
| 10 | 1970-11-09 | 4 | Nebraska (8-0-1) | 4 | 3 | Big 8 | |
| 10 | 1970-11-09 | 5 | Michigan (8-0-0) | 5 | 3 | Big Ten | |
| 10 | 1970-11-09 | 6 | Stanford (8-1-0) | 6 | Pac-8 | ||
| 10 | 1970-11-09 | 7 | Arkansas (7-1-0) | 7 | SWC | ||
| 10 | 1970-11-09 | 8 | Auburn (7-1-0) | 10 | 2 | SEC | |
| 10 | 1970-11-09 | 9 | LSU (6-1-0) | 11 | 2 | SEC | |
| 10 | 1970-11-09 | 10 | Tennessee (7-1-0) | 8 | 2 | SEC | |
| 10 | 1970-11-09 | 11 | Arizona State (7-0-0) | 12 | 1 | 1 | WAC |
| 10 | 1970-11-09 | 12 | Ole Miss (6-1-0) | 13 | 1 | SEC | |
| 10 | 1970-11-09 | 13 | Air Force (8-1-0) | 9 | 4 | Ind | |
| 10 | 1970-11-09 | 14 | San Diego State (8-0-0) | 14 | PCAA | ||
| 10 | 1970-11-09 | 15 | Dartmouth (7-0-0) | 17 | 2 | Ivy | |
| 10 | 1970-11-09 | 16 | Toledo (9-0-0) | 15 | 1 | MAC | |
| 10 | 1970-11-09 | 17 | UCLA (5-3-0) | 16 | 1 | Pac-8 | |
| 10 | 1970-11-09 | 18 | USC (5-3-1) | Pac-8 | |||
| 10 | 1970-11-09 | 19 | Oregon (6-3-0) | Pac-8 | |||
| 10 | 1970-11-09 | 20 | Kansas State (6-3-0) | Big 8 | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 9 | 1970-11-02 | 1 | Texas (6-0-0) | 1 | 20 | SWC | |
| 9 | 1970-11-02 | 2 | Notre Dame (6-0-0) | 3 | 1 | 12 | Ind |
| 9 | 1970-11-02 | 3 | Ohio State (6-0-0) | 2 | 1 | 5 | Big Ten |
| 9 | 1970-11-02 | 4 | Nebraska (7-0-1) | 4 | Big 8 | ||
| 9 | 1970-11-02 | 5 | Michigan (7-0-0) | 5 | 2 | Big Ten | |
| 9 | 1970-11-02 | 6 | Stanford (7-1-0) | 6 | 1 | Pac-8 | |
| 9 | 1970-11-02 | 7 | Arkansas (6-1-0) | 8 | 1 | SWC | |
| 9 | 1970-11-02 | 8 | Tennessee (6-1-0) | 9 | 1 | SEC | |
| 9 | 1970-11-02 | 9 | Air Force (8-0-0) | 7 | 2 | Ind | |
| 9 | 1970-11-02 | 10 | Auburn (6-1-0) | 12 | 2 | SEC | |
| 9 | 1970-11-02 | 11 | LSU (5-1-0) | 10 | 1 | SEC | |
| 9 | 1970-11-02 | 12 | Arizona State (6-0-0) | 11 | 1 | WAC | |
| 9 | 1970-11-02 | 13 | Ole Miss (5-1-0) | 13 | SEC | ||
| 9 | 1970-11-02 | 14 | San Diego State (7-0-0) | 14 | PCAA | ||
| 9 | 1970-11-02 | 15 | Toledo (8-0-0) | MAC | |||
| 9 | 1970-11-02 | 16 | UCLA (5-3-0) | 19 | 3 | Pac-8 | |
| 9 | 1970-11-02 | 17 | Dartmouth (6-0-0) | Ivy | |||
| 9 | 1970-11-02 | 18 | Houston (4-2-0) | Ind | |||
| 9 | 1970-11-02 | 19 | Alabama (5-3-0) | SEC | |||
| 9 | 1970-11-02 | 20 | Syracuse (4-3-0) | Ind | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 8 | 1970-10-26 | 1 | Texas (5-0-0) | 2 | 1 | 15 | SWC |
| 8 | 1970-10-26 | 2 | Ohio State (5-0-0) | 1 | 1 | 16 | Big Ten |
| 8 | 1970-10-26 | 3 | Notre Dame (5-0-0) | 3 | 4 | Ind | |
| 8 | 1970-10-26 | 4 | Nebraska (6-0-1) | 4 | 1 | Big 8 | |
| 8 | 1970-10-26 | 5 | Michigan (6-0-0) | 5 | 1 | Big Ten | |
| 8 | 1970-10-26 | 6 | Stanford (6-1-0) | 8 | 2 | Pac-8 | |
| 8 | 1970-10-26 | 7 | Air Force (7-0-0) | 7 | 1 | Ind | |
| 8 | 1970-10-26 | 8 | Arkansas (5-1-0) | 9 | 1 | SWC | |
| 8 | 1970-10-26 | 9 | Tennessee (5-1-0) | 11 | 2 | SEC | |
| 8 | 1970-10-26 | 10 | LSU (5-1-0) | 14 | 4 | SEC | |
| 8 | 1970-10-26 | 11 | Arizona State (6-0-0) | 12 | 1 | WAC | |
| 8 | 1970-10-26 | 12 | Auburn (5-1-0) | 6 | 6 | SEC | |
| 8 | 1970-10-26 | 13 | Ole Miss (5-1-0) | 13 | SEC | ||
| 8 | 1970-10-26 | 14 | San Diego State (6-0-0) | 17 | 3 | PCAA | |
| 8 | 1970-10-26 | 15 | Pitt (5-1-0) | 18 | 3 | Ind | |
| 8 | 1970-10-26 | 16 | Oregon (5-2-0) | Pac-8 | |||
| 8 | 1970-10-26 | 17 | Missouri (4-3-0) | Big 8 | |||
| 8 | 1970-10-26 | 18 | USC (4-2-1) | 10 | 8 | Pac-8 | |
| 8 | 1970-10-26 | 19 | UCLA (4-3-0) | 16 | 3 | Pac-8 | |
| 8 | 1970-10-26 | 20 | Northwestern (3-3-0) | Big Ten | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 7 | 1970-10-19 | 1 | Ohio State (4-0-0) | 1 | 19 | Big Ten | |
| 7 | 1970-10-19 | 2 | Texas (4-0-0) | 2 | 9 | SWC | |
| 7 | 1970-10-19 | 3 | Notre Dame (5-0-0) | 3 | 4 | Ind | |
| 7 | 1970-10-19 | 4 | Nebraska (5-0-1) | 5 | 1 | 1 | Big 8 |
| 7 | 1970-10-19 | 5 | Michigan (5-0-0) | 6 | 1 | 1 | Big Ten |
| 7 | 1970-10-19 | 6 | Auburn (5-0-0) | 8 | 2 | 1 | SEC |
| 7 | 1970-10-19 | 7 | Air Force (6-0-0) | 7 | 1 | Ind | |
| 7 | 1970-10-19 | 8 | Stanford (5-1-0) | 9 | 1 | Pac-8 | |
| 7 | 1970-10-19 | 9 | Arkansas (4-1-0) | 10 | 1 | SWC | |
| 7 | 1970-10-19 | 10 | USC (4-1-1) | 11 | 1 | Pac-8 | |
| 7 | 1970-10-19 | 11 | Tennessee (4-1-0) | 14 | 3 | SEC | |
| 7 | 1970-10-19 | 12 | Arizona State (5-0-0) | 12 | WAC | ||
| 7 | 1970-10-19 | 13 | Ole Miss (4-1-0) | 4 | 9 | SEC | |
| 7 | 1970-10-19 | 14 | LSU (4-1-0) | 15 | 1 | SEC | |
| 7 | 1970-10-19 | 15 | Houston (3-1-0) | 19 | 4 | Ind | |
| 7 | 1970-10-19 | 16 | UCLA (4-2-0) | 19 | 3 | Pac-8 | |
| 7 | 1970-10-19 | 17 | San Diego State (6-0-0) | PCAA | |||
| 7 | 1970-10-19 | 18 | Pitt (4-1-0) | Ind | |||
| 7 | 1970-10-19 | 19 | Colorado (3-2-0) | 13 | 6 | Big 8 | |
| 7 | 1970-10-19 | 19 | Toledo (6-0-0) | MAC | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 6 | 1970-10-12 | 1 | Ohio State (3-0-0) | 1 | 20 | Big Ten | |
| 6 | 1970-10-12 | 2 | Texas (4-0-0) | 2 | 13 | SWC | |
| 6 | 1970-10-12 | 3 | Notre Dame (4-0-0) | 3 | 4 | Ind | |
| 6 | 1970-10-12 | 4 | Ole Miss (4-0-0) | 5 | 1 | 1 | SEC |
| 6 | 1970-10-12 | 5 | Nebraska (4-0-1) | 6 | 1 | 1 | Big 8 |
| 6 | 1970-10-12 | 6 | Michigan (4-0-0) | 7 | 1 | 1 | Big Ten |
| 6 | 1970-10-12 | 7 | Air Force (5-0-0) | 8 | 1 | Ind | |
| 6 | 1970-10-12 | 8 | Auburn (4-0-0) | 9 | 1 | SEC | |
| 6 | 1970-10-12 | 9 | Stanford (4-1-0) | 12 | 3 | Pac-8 | |
| 6 | 1970-10-12 | 10 | Arkansas (4-1-0) | 10 | SWC | ||
| 6 | 1970-10-12 | 11 | USC (3-1-1) | 4 | 7 | Pac-8 | |
| 6 | 1970-10-12 | 12 | Arizona State (4-0-0) | 14 | 2 | WAC | |
| 6 | 1970-10-12 | 13 | Colorado (3-1-0) | 17 | 4 | Big 8 | |
| 6 | 1970-10-12 | 14 | Tennessee (3-1-0) | 20 | 6 | SEC | |
| 6 | 1970-10-12 | 15 | LSU (3-1-0) | 19 | 4 | SEC | |
| 6 | 1970-10-12 | 16 | Georgia Tech (4-1-0) | 13 | 3 | Ind | |
| 6 | 1970-10-12 | 17 | Texas Tech (4-1-0) | SWC | |||
| 6 | 1970-10-12 | 18 | Missouri (3-2-0) | 16 | 2 | Big 8 | |
| 6 | 1970-10-12 | 19 | Houston (2-1-0) | Ind | |||
| 6 | 1970-10-12 | 19 | UCLA (3-2-0) | 15 | 4 | Pac-8 | |
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 5 | 1970-10-05 | 1 | Ohio State (2-0-0) | 1 | 27 | Big Ten | |
| 5 | 1970-10-05 | 2 | Texas (3-0-0) | 2 | 6 | SWC | |
| 5 | 1970-10-05 | 3 | Notre Dame (3-0-0) | 4 | 1 | Ind | |
| 5 | 1970-10-05 | 4 | USC (3-0-1) | 5 | 1 | 3 | Pac-8 |
| 5 | 1970-10-05 | 5 | Ole Miss (3-0-0) | 7 | 2 | 1 | SEC |
| 5 | 1970-10-05 | 6 | Nebraska (3-0-1) | 6 | Big 8 | ||
| 5 | 1970-10-05 | 7 | Michigan (3-0-0) | 9 | 2 | 1 | Big Ten |
| 5 | 1970-10-05 | 8 | Air Force (4-0-0) | 10 | 2 | Ind | |
| 5 | 1970-10-05 | 9 | Auburn (3-0-0) | 12 | 3 | SEC | |
| 5 | 1970-10-05 | 10 | Arkansas (3-1-0) | 11 | 1 | SWC | |
| 5 | 1970-10-05 | 11 | West Virginia (4-0-0) | 14 | 3 | Ind | |
| 5 | 1970-10-05 | 12 | Stanford (3-1-0) | 3 | 9 | Pac-8 | |
| 5 | 1970-10-05 | 13 | Georgia Tech (4-0-0) | 15 | 2 | Ind | |
| 5 | 1970-10-05 | 14 | Arizona State (3-0-0) | 18 | 4 | WAC | |
| 5 | 1970-10-05 | 15 | UCLA (3-1-0) | 13 | 2 | Pac-8 | |
| 5 | 1970-10-05 | 16 | Missouri (3-1-0) | 20 | 4 | Big 8 | |
| 5 | 1970-10-05 | 17 | Colorado (2-1-0) | 8 | 9 | Big 8 | |
| 5 | 1970-10-05 | 18 | North Carolina (4-0-0) | 19 | 1 | ACC | |
| 5 | 1970-10-05 | 19 | LSU (2-1-0) | SEC | |||
| 5 | 1970-10-05 | 20 | Tennessee (2-1-0) | SEC | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 4 | 1970-09-28 | 1 | Ohio State (1-0-0) | 1 | 25 | Big Ten | |
| 4 | 1970-09-28 | 2 | Texas (2-0-0) | 2 | 14 | SWC | |
| 4 | 1970-09-28 | 3 | Stanford (3-0-0) | 3 | 1 | Pac-8 | |
| 4 | 1970-09-28 | 4 | Notre Dame (2-0-0) | 6 | 2 | Ind | |
| 4 | 1970-09-28 | 5 | USC (2-0-1) | 7 | 2 | 1 | Pac-8 |
| 4 | 1970-09-28 | 6 | Nebraska (2-0-1) | 8 | 2 | Big 8 | |
| 4 | 1970-09-28 | 7 | Ole Miss (2-0-0) | 5 | 2 | SEC | |
| 4 | 1970-09-28 | 8 | Colorado (2-0-0) | 18 | 10 | Big 8 | |
| 4 | 1970-09-28 | 9 | Michigan (2-0-0) | 10 | 1 | 1 | Big Ten |
| 4 | 1970-09-28 | 10 | Air Force (3-0-0) | 20 | 10 | Ind | |
| 4 | 1970-09-28 | 11 | Arkansas (2-1-0) | 12 | 1 | SWC | |
| 4 | 1970-09-28 | 12 | Auburn (2-0-0) | SEC | |||
| 4 | 1970-09-28 | 13 | UCLA (3-0-0) | 15 | 2 | Pac-8 | |
| 4 | 1970-09-28 | 14 | West Virginia (3-0-0) | 16 | 2 | Ind | |
| 4 | 1970-09-28 | 15 | Georgia Tech (3-0-0) | 19 | 4 | Ind | |
| 4 | 1970-09-28 | 16 | Penn State (1-1-0) | 4 | 12 | Ind | |
| 4 | 1970-09-28 | 17 | Alabama (2-1-0) | SEC | |||
| 4 | 1970-09-28 | 18 | Arizona State (2-0-0) | WAC | |||
| 4 | 1970-09-28 | 19 | North Carolina (3-0-0) | ACC | |||
| 4 | 1970-09-28 | 20 | Missouri (2-1-0) | 9 | 11 | Big 8 | |
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 3 | 1970-09-21 | 1 | Ohio State | 1 | 14 | Big Ten | |
| 3 | 1970-09-21 | 2 | Texas (1-0-0) | 2 | 16 | SWC | |
| 3 | 1970-09-21 | 3 | Stanford (2-0-0) | 4 | 1 | 1 | Pac-8 |
| 3 | 1970-09-21 | 4 | Penn State (1-0-0) | 7 | 3 | 2 | Ind |
| 3 | 1970-09-21 | 5 | Ole Miss (1-0-0) | 5 | 1 | SEC | |
| 3 | 1970-09-21 | 6 | Notre Dame (1-0-0) | 6 | Ind | ||
| 3 | 1970-09-21 | 7 | USC (1-0-1) | 3 | 4 | 2 | Pac-8 |
| 3 | 1970-09-21 | 8 | Nebraska (1-0-1) | 9 | 1 | Big 8 | |
| 3 | 1970-09-21 | 9 | Missouri (2-0-0) | 10 | 1 | Big 8 | |
| 3 | 1970-09-21 | 10 | Michigan (1-0-0) | 8 | 2 | 1 | Big Ten |
| 3 | 1970-09-21 | 11 | Houston (1-0-0) | 15 | 4 | Ind | |
| 3 | 1970-09-21 | 12 | Arkansas (1-1-0) | 11 | 1 | SWC | |
| 3 | 1970-09-21 | 13 | Florida (2-0-0) | 14 | 1 | SEC | |
| 3 | 1970-09-21 | 14 | Oklahoma (2-0-0) | 18 | 4 | Big 8 | |
| 3 | 1970-09-21 | 15 | UCLA (2-0-0) | 16 | 1 | Pac-8 | |
| 3 | 1970-09-21 | 16 | West Virginia (2-0-0) | 17 | 1 | Ind | |
| 3 | 1970-09-21 | 17 | Tennessee (1-0-0) | SEC | |||
| 3 | 1970-09-21 | 18 | Colorado (1-0-0) | Big 8 | |||
| 3 | 1970-09-21 | 19 | Georgia Tech (2-0-0) | Ind | |||
| 3 | 1970-09-21 | 20 | Air Force (2-0-0) | Ind | |||
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 2 | 1970-09-14 | 1 | Ohio State | 1 | 24 | Big Ten | |
| 2 | 1970-09-14 | 2 | Texas | 2 | 6 | SWC | |
| 2 | 1970-09-14 | 3 | USC (1-0-0) | 3 | 7 | Pac-8 | |
| 2 | 1970-09-14 | 4 | Stanford (1-0-0) | 10 | 6 | Pac-8 | |
| 2 | 1970-09-14 | 5 | Ole Miss | 5 | 1 | SEC | |
| 2 | 1970-09-14 | 6 | Notre Dame | 6 | Ind | ||
| 2 | 1970-09-14 | 7 | Penn State | 7 | 1 | Ind | |
| 2 | 1970-09-14 | 8 | Michigan | 8 | 1 | Big Ten | |
| 2 | 1970-09-14 | 9 | Nebraska (1-0-0) | 9 | Big 8 | ||
| 2 | 1970-09-14 | 10 | Missouri (1-0-0) | 11 | 1 | Big 8 | |
| 2 | 1970-09-14 | 11 | Arkansas (0-1-0) | 4 | 7 | SWC | |
| 2 | 1970-09-14 | 12 | LSU | 12 | SEC | ||
| 2 | 1970-09-14 | 13 | Kansas State (1-0-0) | 14 | 1 | Big 8 | |
| 2 | 1970-09-14 | 14 | Florida (1-0-0) | 15 | 1 | SEC | |
| 2 | 1970-09-14 | 15 | Houston | 13 | 2 | Ind | |
| 2 | 1970-09-14 | 16 | UCLA (1-0-0) | 18 | 2 | Pac-8 | |
| 2 | 1970-09-14 | 17 | West Virginia (1-0-0) | 20 | 3 | Ind | |
| 2 | 1970-09-14 | 18 | Oklahoma (1-0-0) | 20 | 2 | Big 8 | |
| 2 | 1970-09-14 | 19 | Georgia | SEC | |||
| 2 | 1970-09-14 | 20 | Arizona State | 19 | 1 | WAC | |
| Wk | Date | Rk | School | Prev | Chng | 1st | Conf |
| 1 | Preseason | 1 | Ohio State | NA | — | 19 | Big Ten |
| 1 | Preseason | 2 | Texas | NA | — | 7 | SWC |
| 1 | Preseason | 3 | USC | NA | — | 6 | Pac-8 |
| 1 | Preseason | 4 | Arkansas | NA | — | 1 | SWC |
| 1 | Preseason | 5 | Ole Miss | NA | — | 1 | SEC |
| 1 | Preseason | 6 | Notre Dame | NA | — | Ind | |
| 1 | Preseason | 7 | Penn State | NA | — | 1 | Ind |
| 1 | Preseason | 8 | Michigan | NA | — | Big Ten | |
| 1 | Preseason | 9 | Nebraska | NA | — | Big 8 | |
| 1 | Preseason | 10 | Stanford | NA | — | Pac-8 | |
| 1 | Preseason | 11 | Missouri | NA | — | Big 8 | |
| 1 | Preseason | 12 | LSU | NA | — | 1 | SEC |
| 1 | Preseason | 13 | Houston | NA | — | Ind | |
| 1 | Preseason | 14 | Kansas State | NA | — | Big 8 | |
| 1 | Preseason | 15 | Florida | NA | — | SEC | |
| 1 | Preseason | 16 | Alabama | NA | — | SEC | |
| 1 | Preseason | 17 | South Carolina | NA | — | ACC | |
| 1 | Preseason | 18 | UCLA | NA | — | Pac-8 | |
| 1 | Preseason | 19 | Arizona State | NA | — | WAC | |
| 1 | Preseason | 20 | Auburn | NA | — | SEC | |
| 1 | Preseason | 20 | Oklahoma | NA | — | Big 8 | |
| 1 | Preseason | 20 | West Virginia | NA | — | Ind |
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