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