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