worst completion% in a season minimum 100 attempts

Stan Heath has the worst completion percentage with 100+ passing attempts in a season, at 24.5 percent in his rookie season in 1949.

Interpreted as:
worst completion% by a player in a season minimum 100 passing attempts
NAMEPCTATTSEASONTMGPCMPYDSAVGYDS/GTDINTRTGTD%INT%SCKSCKY
1Stan Heath
S. Heath
24.5
106
1949
12
26
355
3.3
29.6
1
14
4.6
0.9
13.2
2Johnny Gildea
J. Gildea
26.7
105
1935
12
28
529
5.0
44.1
2
20
14.8
1.9
19.0
3Warren Heller
W. Heller
27.7
112
1934
12
31
511
4.6
42.6
2
15
12.5
1.8
13.4
4Billy Patterson
B. Patterson
29.1
117
1940
11
34
529
4.5
48.1
3
15
14.9
2.6
12.8
5Hugh McCullough
H. McCullough
32.0
100
1939
10
32
443
4.4
44.3
2
12
14.3
2.0
12.0
6Roy Zimmerman
R. Zimmerman
34.7
124
1943
10
43
846
6.8
84.6
9
17
44.0
7.3
13.7
7Jack Scarbath
J. Scarbath
34.9
129
1953
12
45
862
6.7
71.8
9
12
43.5
7.0
9.3
8John McCormick
J. McCormick
35.2
193
1966
14
68
993
5.1
70.9
6
15
30.9
3.1
7.8
9Gary Marangi
G. Marangi
35.3
232
1976
11
82
998
4.3
90.7
7
16
30.8
3.0
6.9
22
166
10Jug Girard
J. Girard
35.4
175
1949
12
62
881
5.0
73.4
4
12
31.6
2.3
6.9
11Don Trull
D. Trull
35.5
107
1965
14
38
528
4.9
37.7
5
5
48.3
4.7
4.7
12Dave Smukler
D. Smukler
35.6
118
1937
11
42
432
3.7
39.3
5
14
21.5
4.2
11.9
13George Blanda
G. Blanda
35.9
131
1952
12
47
664
5.1
55.3
8
11
38.5
6.1
8.4
14Dick Wood
D. Wood
36.1
230
1966
14
83
993
4.3
70.9
4
14
30.6
1.7
6.1
15Adrian Burk
A. Burk
36.1
119
1950
12
43
798
6.7
66.5
6
12
37.4
5.0
10.1
16Joe Geri
J. Geri
36.3
113
1950
12
41
866
7.7
72.2
6
15
42.4
5.3
13.3
17Arnie Herber
A. Herber
36.5
115
1934
11
42
799
6.9
72.6
8
12
45.1
7.0
10.4
18Arnie Herber
A. Herber
36.6
101
1932
14
37
639
6.3
45.6
9
9
51.5
8.9
8.9
19Arnie Herber
A. Herber
36.7
109
1935
11
40
729
6.7
66.3
8
14
45.4
7.3
12.8
20Tobin Rote
T. Rote
37.1
224
1950
12
83
1,231
5.5
102.6
7
24
26.7
3.1
10.7
21Hugh McCullough
H. McCullough
37.1
116
1940
11
43
529
4.6
48.1
4
21
23.9
3.4
18.1
22Cotton Davidson
C. Davidson
37.1
321
1962
TOT
14
119
1,977
6.2
141.2
7
23
36.1
2.2
7.2
23Harry Gilmer
H. Gilmer
37.1
132
1949
12
49
869
6.6
72.4
4
15
31.0
3.0
11.4
24Roy Zimmerman
R. Zimmerman
37.1
105
1944
10
39
785
7.5
78.5
8
10
50.0
7.6
9.5
25Kent Nix
K. Nix
37.2
137
1971
8
51
760
5.5
95.0
6
10
40.4
4.4
7.3
10
91
StatMuse has season-level data for completion percentage and passing attempts going back to the 1932 season.

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