lowest player passer rating single season nfl since 1990 minimum 150 attempts

Since 1990, Ryan Leaf has the worst passer rating with 150+ passing attempts in a season, with a 39.0 rating in his rookie season in 1998.

Interpreted as:
lowest player passer rating single season NFL since 1990 minimum 150 passing attempts
NAMERTGATTSEASONTMGPCMPPCTYDSAVGYDS/GTDINTTD%INT%SCKSCKY
1Ryan Leaf
R. Leaf
39.0
245
1998
10
111
45.3
1,289
5.3
128.9
2
15
0.8
6.1
22
140
2Alex Smith
A. Smith
40.8
165
2005
9
84
50.9
875
5.3
97.2
1
11
0.6
6.7
29
185
3Derek Anderson
D. Anderson
42.1
182
2009
8
81
44.5
888
4.9
111.0
3
10
1.6
5.5
11
75
4Bobby Hoying
B. Hoying
45.6
224
1998
8
114
50.9
961
4.3
120.1
0
9
0.0
4.0
35
185
5Heath Shuler
H. Shuler
46.6
203
1997
10
106
52.2
1,288
6.3
128.8
2
14
1.0
6.9
21
132
6Ryan Lindley
R. Lindley
46.7
171
2012
6
89
52.0
752
4.4
125.3
0
7
0.0
4.1
12
91
7Kelly Stouffer
K. Stouffer
47.7
190
1992
9
92
48.4
900
4.7
100.0
3
9
1.6
4.7
26
222
8Craig Whelihan
C. Whelihan
48.0
320
1998
10
149
46.6
1,803
5.6
180.3
8
19
2.5
5.9
15
111
9Mike Glennon
M. Glennon
49.7
167
2021
6
90
53.9
790
4.7
131.7
4
10
2.4
6.0
9
68
10JaMarcus Russell
J. Russell
50.0
246
2009
12
120
48.8
1,287
5.2
107.3
3
11
1.2
4.5
33
207
11Stoney Case
S. Case
50.3
170
1999
10
77
45.3
988
5.8
98.8
3
8
1.8
4.7
17
116
12Jake Plummer
J. Plummer
50.8
381
1999
12
201
52.8
2,111
5.5
175.9
9
24
2.4
6.3
27
152
13Scott Mitchell
S. Mitchell
50.8
187
2000
8
89
47.6
966
5.2
120.8
3
8
1.6
4.3
16
82
14Chris Chandler
C. Chandler
50.9
154
1991
TOT
9
78
50.6
846
5.5
94.0
5
10
3.2
6.5
17
134
15Eric Zeier
E. Zeier
51.9
161
1995
7
82
50.9
864
5.4
123.4
4
9
2.5
5.6
15
91
16Akili Smith
A. Smith
52.8
267
2000
12
118
44.2
1,253
4.7
104.4
3
6
1.1
2.2
36
191
17Stan Gelbaugh
S. Gelbaugh
52.9
255
1992
10
121
47.5
1,307
5.1
130.7
6
11
2.4
4.3
34
265
18Elvis Grbac
E. Grbac
53.1
188
1998
8
98
52.1
1,142
6.1
142.8
5
12
2.7
6.4
11
57
19Bubby Brister
B. Brister
53.7
170
1995
9
93
54.7
726
4.3
80.7
4
8
2.4
4.7
16
122
20Erik Kramer
E. Kramer
54.3
150
1996
4
73
48.7
781
5.2
195.3
3
6
2.0
4.0
7
53
21Trent Dilfer
T. Dilfer
55.1
219
2007
7
113
51.6
1,166
5.3
166.6
7
12
3.2
5.5
27
182
22Mike McMahon
M. McMahon
55.2
207
2005
9
94
45.4
1,158
5.6
128.7
5
8
2.4
3.9
19
96
23John Skelton
J. Skelton
55.4
201
2012
7
109
54.2
1,132
5.6
161.7
2
9
1.0
4.5
15
98
24Brady Cook
B. Cook
55.4
153
2025
5
88
57.5
739
4.8
147.8
2
7
1.3
4.6
19
125
25Eli Manning
E. Manning
55.4
197
2004
9
95
48.2
1,043
5.3
115.9
6
9
3.0
4.6
13
83
StatMuse has season-level data for passer rating and passing attempts going back to the 1932 season.

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10
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Jets Jets - e
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14
0
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AFC NorthWLTPCT
10
7
0
.588
8
9
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.471
6
11
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.353
5
12
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.294
AFC SouthWLTPCT
13
4
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.765
12
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Colts Colts - e
8
9
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AFC WestWLTPCT
14
3
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11
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.647
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11
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14
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NFC EastWLTPCT
11
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9
1
.441
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12
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13
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NFC NorthWLTPCT
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8
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8
9
0
.471
8
9
0
.471
8
9
0
.471
6
11
0
.353
NFC WestWLTPCT
14
3
0
.824
Rams Rams - w
12
5
0
.706
49ers 49ers - w
12
5
0
.706
3
14
0
.176