How many NFL teams no longer exist?
49
2
2
2
3
2
3
2
3
2
3
2
3
2
3
2
4
3
2
4
3
2
0
4
3
2
1
0
4
5
3
2
13
7
1
4
5
3
2
0
13
7
1
4
5
3
2
13
7
1
0
6
4
5
3
2
13
7
1
6
0
4
5
3
2
13
7
1
6
11
4
5
3
2
0
13
7
1
6
11
8
4
5
3
2
13
7
1
6
11
8
4
5
3
2
13
7
1
9
6
11
12
8
4
10
5
3
13
7
1
9
6
11
12
8
4
10
5
3
13
7
1
9
6
11
12
8
4
10
5
3
13
7
1
9
6
11
12
8
4
10
5
13
7
1
9
6
11
12
8
4
10
5
13
7
1
9
6
11
12
8
4
10
5
13
7
1
9
6
11
12
8
4
10
5
13
7
1
9
6
11
12
8
2 teams
4
10
5
13
7
1
9
6
11
12
8
4
10
5
13
2 teams
ten