Kurt Ainsworth vs. Brian Keyser — Career Comparison

Kurt Ainsworth
Gen XLouisianaThrows RightBats RightNorth AmericaSan Francisco GiantsNational LeagueStarting Pitcher
Brian Keyser
Gen XCaliforniaThrows RightBats RightNorth AmericaChicago White SoxAmerican LeagueRelief Pitcher

Kurt Ainsworth built a career as a starting pitcher and Brian Keyser as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brian Keyser posted stronger surface numbers — ERA 4.97 and WHIP 1.684 compared to 5.19 and 1.555 for Kurt Ainsworth. By the career numbers, Brian Keyser had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Kurt Ainsworth and Brian Keyser

Kurt Ainsworth
Careerverified
Per 9 Inningsverified
4
4
Brian Keyser
Career
Per 9 Innings
2
2
Kurt Ainsworth
Career
Per 9 Innings
29
2.06
Brian Keyser
Careerverified
Per 9 Inningsverified
51
3.02
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
22
1.56
Brian Keyser
Career
Per 9 Innings
10
0.59
Kurt Ainsworth
Career
Per 9 Inningsverified
6
0.43
Brian Keyser
Career
Per 9 Innings
6
0.36
Kurt Ainsworth
Career
Per 9 Innings
8
0.57
Brian Keyser
Career
Per 9 Inningsverified
8
0.47
Kurt Ainsworth
Career
Per 9 Innings
42.86
42.86
Brian Keyser
Career
Per 9 Innings
42.86
42.86
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
75.86
75.86
Brian Keyser
Career
Per 9 Innings
19.61
19.61
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Careerverified
Per 9 Inningsverified
1
0.06
Kurt Ainsworth
Careerverified
Per 9 Innings
73
5.19
Brian Keyser
Career
Per 9 Inningsverified
84
4.97
Kurt Ainsworth
Career
Per 9 Innings
5.19
5.19
Brian Keyser
Careerverified
Per 9 Inningsverified
4.97
4.97
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
5.32
5.32
Brian Keyser
Career
Per 9 Innings
5.37
5.37
Kurt Ainsworth
Career
Per 9 Innings
4.86
4.86
Brian Keyser
Careerverified
Per 9 Inningsverified
4.36
4.36
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
0.278
0.278
Brian Keyser
Career
Per 9 Innings
0.314
0.314
Kurt Ainsworth
Career
Per 9 Innings
380
27
Brian Keyser
Careerverified
Per 9 Innings
456
27
Kurt Ainsworth
Career
Per 9 Innings
126.2
9
Brian Keyser
Careerverified
Per 9 Innings
152
9
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
136
9.66
Brian Keyser
Career
Per 9 Innings
192
11.37
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
9.66
9.66
Brian Keyser
Career
Per 9 Innings
11.37
11.37
Kurt Ainsworth
Career
Per 9 Innings
16
1.14
Brian Keyser
Careerverified
Per 9 Inningsverified
13
0.77
Kurt Ainsworth
Career
Per 9 Innings
1.14
1.14
Brian Keyser
Careerverified
Per 9 Inningsverified
0.77
0.77
Kurt Ainsworth
Career
Per 9 Innings
0.55
0.55
Brian Keyser
Careerverified
Per 9 Inningsverified
0.25
0.25
Kurt Ainsworth
Career
Per 9 Innings
61
4.33
Brian Keyser
Careerverified
Per 9 Inningsverified
55
3.26
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
0
0
Brian Keyser
Career
Per 9 Innings
9
0.53
Kurt Ainsworth
Career
Per 9 Innings
4.33
4.33
Brian Keyser
Careerverified
Per 9 Inningsverified
3.26
3.26
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
90
6.39
Brian Keyser
Career
Per 9 Innings
67
3.97
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
6.39
6.39
Brian Keyser
Career
Per 9 Innings
3.97
3.97
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
3.1
3.1
Brian Keyser
Career
Per 9 Innings
1.31
1.31
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
1.192
1.192
Brian Keyser
Career
Per 9 Innings
0.803
0.803
Kurt Ainsworth
Career
Per 9 Innings
7
0.5
Brian Keyser
Careerverified
Per 9 Inningsverified
3
0.18
Kurt Ainsworth
Career
Per 9 Innings
8
0.57
Brian Keyser
Careerverified
Per 9 Inningsverified
2
0.12
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
0
0
Brian Keyser
Career
Per 9 Innings
1
0.06
Kurt Ainsworth
Career
Per 9 Inningsverified
569
40.43
Brian Keyser
Careerverified
Per 9 Innings
679
40.2
Kurt Ainsworth
Career
Per 9 Innings
4
0.28
Brian Keyser
Careerverified
Per 9 Inningsverified
10
0.59
Kurt Ainsworth
Careerverified
Per 9 Innings
78
5.54
Brian Keyser
Career
Per 9 Inningsverified
88
5.21
Kurt Ainsworth
Career
Per 9 Innings
5.54
5.54
Brian Keyser
Careerverified
Per 9 Inningsverified
5.21
5.21
Kurt Ainsworth
Career
Per 9 Innings
6
0.43
Brian Keyser
Career
Per 9 Inningsverified
6
0.36
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
4
0.28
Brian Keyser
Career
Per 9 Innings
5
0.3
Kurt Ainsworth
Career
Per 9 Innings
11
0.78
Brian Keyser
Careerverified
Per 9 Inningsverified
20
1.18
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
1.555
1.555
Brian Keyser
Career
Per 9 Innings
1.625
1.625
Kurt Ainsworth
Career
Per 9 Innings
490
34.82
Brian Keyser
Careerverified
Per 9 Inningsverified
611
36.18
Kurt Ainsworth
Career
Per 9 Innings
2.69
2.69
Brian Keyser
Careerverified
Per 9 Inningsverified
1.73
1.73
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
0.313
0.313
Brian Keyser
Career
Per 9 Innings
0.337
0.337
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
40.43
40.43
Brian Keyser
Career
Per 9 Innings
40.2
40.2

Fielding Stats for Kurt Ainsworth and Brian Keyser

Kurt Ainsworth
Careerverified
Per 9 Inningsverified
4
4
Brian Keyser
Career
Per 9 Innings
2
2
Kurt Ainsworth
Career
Per 9 Innings
29
2.06
Brian Keyser
Careerverified
Per 9 Inningsverified
51
3.02
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
22
1.56
Brian Keyser
Career
Per 9 Innings
10
0.59
Kurt Ainsworth
Career
Per 9 Innings
380
27
Brian Keyser
Careerverified
Per 9 Innings
456
27
Kurt Ainsworth
Career
Per 9 Innings
126.2
9
Brian Keyser
Careerverified
Per 9 Innings
152
9
Kurt Ainsworth
Career
Per 9 Innings
8
0.57
Brian Keyser
Careerverified
Per 9 Inningsverified
15
0.89
Kurt Ainsworth
Career
Per 9 Innings
16
1.14
Brian Keyser
Careerverified
Per 9 Inningsverified
33
1.95
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
0
0
Brian Keyser
Career
Per 9 Innings
2
0.12
Kurt Ainsworth
Career
Per 9 Innings
24
1.71
Brian Keyser
Careerverified
Per 9 Inningsverified
50
2.96
Kurt Ainsworth
Career
Per 9 Innings
24
1.71
Brian Keyser
Careerverified
Per 9 Inningsverified
48
2.84
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
100
100
Brian Keyser
Career
Per 9 Innings
96
96
Kurt Ainsworth
Career
Per 9 Innings
0.828
0.828
Brian Keyser
Careerverified
Per 9 Inningsverified
0.941
0.941
Kurt Ainsworth
Careerverified
Per 9 Inningsverified
75.86
75.86
Brian Keyser
Career
Per 9 Innings
19.61
19.61
Kurt Ainsworth
Career
Per 9 Innings
1
0.07
Brian Keyser
Careerverified
Per 9 Inningsverified
4
0.24
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0
Kurt Ainsworth
Career
Per 9 Innings
0
0
Brian Keyser
Career
Per 9 Innings
0
0

Hitting Stats for Kurt Ainsworth and Brian Keyser

Kurt Ainsworth
Careerverified
Per 600 PAverified
4
4
Brian Keyser
Career
Per 600 PA
2
Kurt Ainsworth
Career
Per 600 PAverified
30
545.45
Brian Keyser
Careerverified
Per 600 PA
51
Kurt Ainsworth
Careerverified
Per 600 PAverified
33
600
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
28
509.09
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.071
0.071
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.303
0.303
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
2
36.36
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
1
18.18
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
1
18.18
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
1
18.18
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.5
0.5
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.23
4.1
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
3
54.55
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
2
36.36
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.071
0.071
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.107
0.107
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.179
0.179
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.036
0.036
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.059
0.059
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.115
0.115
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
0.1
0.1
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
1
18.18
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
1
18.18
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
-1.24
-22.63
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
8
145.45
Brian Keyser
Careerverified
Per 600 PAverified
0
Kurt Ainsworth
Careerverified
Per 600 PAverified
4.13
4.13
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
Kurt Ainsworth
Careerverified
Per 600 PAverified
5
90.91
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
0
0
Brian Keyser
Career
Per 600 PA
0
Kurt Ainsworth
Career
Per 600 PA
Brian Keyser
Career
Per 600 PA