How many years did Willie Mays hit less than 20 home runs from his rookie year in 1951 to retirement in 1973?
Four: 1969, 1971-1973 (he was drafted and served in the Army 1952-3).
1
1
1
2
5
1
3
2
5
7
4
1
3
2
5
7
0
4
1
3
2
5
7
4
1
3
0
2
5
7
4
1
3
2
5
7
0
4
1
3
6
2
5
7
0
4
1
3
6
2
5
7
4
1
3
0
6
2
5
7
4
1
3
6
2
5
7
0
4
1
3
6
2
5
7
0
4
1
3
6
2
5
7
9
4
13
1
3
0
6
8
2
5
7
9
4
13
1
3
6
8
2
5
7
0
9
4
13
1
3
6
11
8
2
5
7
9
10
4
13
1
3
6
11
8
2
5
7
9
10
4
13
1
3
6
11
8
2
5
7
9
10
4
13
1
3
6
11
8
2
5
7
9
10
4
13
3
6
11
8
2
5
7
12
9
10
4
13
3
6
11
8
2
5
7
12
9
10
4
13
3
6
11
8
7
12
9
10
4
13
6
11
8
12
9
10
13
6
11
8