Note that the AP has ranked a variable number of teams since it began in 1948-49.

 1948-49 through 1960-61: top 20
 1961-62 through 1963-64: top 10
 1964-65: top 10, except for preseason which was top 20
 1965-66 through 1967-68: top 10
 1968-69 through 1988-89: top 20
 1989-90 through present: top 25

AP Top 25 Matchups

AP Top 25 Matchups Table
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 All
1 1-0 - 1-0 - 1-0 0-1 - - - - 1-0 - - 1-0 - 1-0 - - 1-0 1-0 - 1-0 - - ....9-1
2 0-1 0-1 - - 0-1 - - 1-0 - 1-1 0-1 - 1-0 1-0 1-0 1-0 - 1-0 1-0 - - - 2-0 1-0 ....11-5
3 - 1-0 1-0 - 1-0 1-0 - - 1-0 - 1-0 1-0 2-0 - - - - - - - 0-1 1-0 - - ....10-1
4 0-1 - 0-1 0-1 1-0 1-0 0-1 - - - - - - - - - - - - - 2-0 - - 1-0 ....5-4
5 - - - 1-0 1-0 1-1 2-0 - - - - 1-0 - - 1-0 - 1-0 - 1-0 - - - - - ....9-1
6 0-1 1-0 0-1 0-1 0-1 - - 1-0 0-1 - - 1-0 1-0 1-0 - - - - - - - 1-0 1-0 - ....7-5
7 1-0 - 0-1 0-1 1-1 - - 1-0 0-1 1-0 2-0 - 1-0 - - 2-0 - 1-0 - 1-0 1-0 1-0 - - ....13-4
8 - - - 1-0 0-2 - - - 0-3 1-1 - 0-1 1-0 0-1 0-1 - - 1-1 - - - - - 1-0 ....5-10
9 - 0-1 - - - 0-1 0-1 - - - 0-1 - 1-0 1-0 - - 0-2 0-1 - - 0-1 1-0 - - ....3-8
10 - - 0-1 - - 1-0 1-0 3-0 - - - - - - 0-1 0-1 1-0 - 1-0 - - 1-0 - 2-0 ....10-3
11 - 1-1 - - - - 0-1 1-1 - - - - - - - - 1-1 - - - - 1-0 - - ....4-4
12 0-1 1-0 0-1 - - - 0-2 - 1-0 - - - - - - 0-1 - - 1-0 - 1-0 1-1 1-0 - ....6-6
13 - - 0-1 - 0-1 0-1 - 1-0 - - - - - - 3-0 - 1-0 - - 1-0 - - - - ....6-3
14 - 0-1 0-2 - - 0-1 0-1 0-1 0-1 - - - - 1-0 - 2-0 - 0-1 1-0 - - - - - ....4-8
15 0-1 0-1 - - - 0-1 - 1-0 0-1 - - - - 0-1 - 2-0 - - - - - - - - ....3-5
16 - 0-1 - - 0-1 - - 1-0 - 1-0 - - 0-3 - - - 1-0 - 1-0 - - - - - ....4-5
17 0-1 0-1 - - - - 0-2 - - 1-0 - 1-0 - 0-2 0-2 - - - 1-0 - - - - 1-0 ....4-8
18 - - - - 0-1 - - - 2-0 0-1 1-1 - 0-1 - - 0-1 - - - 1-0 - - - - ....4-5
19 - 0-1 - - - - 0-1 1-1 1-0 - - - - 1-0 - - - - - - - - - - ....3-3
20 0-1 0-1 - - 0-1 - - - - 0-1 - 0-1 - 0-1 - 0-1 0-1 - - - - - 0-1 1-0 ....1-9
21 0-1 - - - - - 0-1 - - - - - 0-1 - - - - 0-1 - - - - - - ....0-4
22 - - 1-0 0-2 - - 0-1 - 1-0 - - 0-1 - - - - - - - - - - - - ....2-4
23 0-1 - 0-1 - - 0-1 0-1 - 0-1 0-1 0-1 1-1 - - - - - - - - - - - - ....1-8
24 - 0-2 - - - 0-1 - - - - - 0-1 - - - - - - - 1-0 - - - - ....1-4
25 - 0-1 - 0-1 - - - 0-1 - 0-2 - - - - - - 0-1 - - 0-1 - - - - ....0-7
- - - - - - - - - - - - - - - - - - - - - - - - - - -
All 1-9 5-11 1-10 4-5 1-9 5-7 4-13 10-5 8-3 3-10 4-4 6-6 3-6 8-4 5-3 5-4 8-4 5-4 3-3 9-1 4-0 4-2 8-1 4-1 7-0