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