John Costello vs. Mike Willis — Career Comparison

John Costello
Baby BoomersNew YorkThrows RightBats RightNorth AmericaSt. Louis CardinalsNational LeagueRelief Pitcher
Mike Willis
Baby BoomersOklahomaThrows LeftBats LeftNorth AmericaToronto Blue JaysAmerican LeagueRelief Pitcher

The numbers give John Costello a clear advantage over Mike Willis across the core pitching metrics. John Costello led in run prevention (ERA+ 135 vs 81), home run suppression (HR9+ 115 vs 61), and skill-based run prevention (DICE+ 99 vs 84). Mike Willis held the edge in walk avoidance (BB%+ 100 vs 91). John Costello was the better reliever — the numbers make that case clearly.

Pitching Stats for John Costello and Mike Willis

John Costello
Career
Per 9 Innings
4
4
Mike Willis
Careerverified
Per 9 Inningsverified
5
5
John Costello
Career
Per 9 Inningsverified
119
6.79
Mike Willis
Careerverified
Per 9 Innings
144
4.38
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
6
0.18
John Costello
Careerverified
Per 9 Inningsverified
11
0.63
Mike Willis
Career
Per 9 Innings
7
0.21
John Costello
Careerverified
Per 9 Inningsverified
6
0.34
Mike Willis
Career
Per 9 Innings
21
0.64
John Costello
Careerverified
Per 9 Inningsverified
64.71
64.71
Mike Willis
Career
Per 9 Innings
25
25
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
4.17
4.17
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
1
0.03
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Career
Per 9 Innings
0
0
John Costello
Career
Per 9 Innings
4
0.23
Mike Willis
Careerverified
Per 9 Inningsverified
15
0.46
John Costello
Careerverified
Per 9 Inningsverified
52
2.97
Mike Willis
Career
Per 9 Innings
151
4.59
John Costello
Careerverified
Per 9 Inningsverified
2.97
2.97
Mike Willis
Career
Per 9 Innings
4.59
4.59
John Costello
Careerverified
Per 9 Inningsverified
3.31
3.31
Mike Willis
Career
Per 9 Innings
4.59
4.59
John Costello
Careerverified
Per 9 Inningsverified
4.03
4.03
Mike Willis
Career
Per 9 Innings
4.86
4.86
John Costello
Careerverified
Per 9 Inningsverified
0.239
0.239
Mike Willis
Career
Per 9 Innings
0.274
0.274
John Costello
Career
Per 9 Innings
473
27
Mike Willis
Careerverified
Per 9 Innings
888
27
John Costello
Career
Per 9 Innings
157.2
9
Mike Willis
Careerverified
Per 9 Innings
296
9
John Costello
Careerverified
Per 9 Inningsverified
141
8.05
Mike Willis
Career
Per 9 Innings
312
9.49
John Costello
Careerverified
Per 9 Inningsverified
8.05
8.05
Mike Willis
Career
Per 9 Innings
9.49
9.49
John Costello
Careerverified
Per 9 Inningsverified
13
0.74
Mike Willis
Career
Per 9 Innings
36
1.09
John Costello
Careerverified
Per 9 Inningsverified
0.74
0.74
Mike Willis
Career
Per 9 Innings
1.09
1.09
John Costello
Careerverified
Per 9 Inningsverified
0.11
0.11
Mike Willis
Career
Per 9 Innings
0.25
0.25
John Costello
Careerverified
Per 9 Inningsverified
64
3.65
Mike Willis
Career
Per 9 Innings
124
3.77
John Costello
Career
Per 9 Innings
15
0.86
Mike Willis
Career
Per 9 Inningsverified
15
0.46
John Costello
Careerverified
Per 9 Inningsverified
3.65
3.65
Mike Willis
Career
Per 9 Innings
3.77
3.77
John Costello
Career
Per 9 Inningsverified
104
5.94
Mike Willis
Careerverified
Per 9 Innings
149
4.53
John Costello
Careerverified
Per 9 Inningsverified
5.94
5.94
Mike Willis
Career
Per 9 Innings
4.53
4.53
John Costello
Career
Per 9 Innings
0.87
0.87
Mike Willis
Careerverified
Per 9 Inningsverified
1.03
1.03
John Costello
Careerverified
Per 9 Inningsverified
1.066
1.066
Mike Willis
Career
Per 9 Innings
0.922
0.922
John Costello
Careerverified
Per 9 Inningsverified
2
0.11
Mike Willis
Career
Per 9 Innings
9
0.27
John Costello
Career
Per 9 Innings
3
0.17
Mike Willis
Career
Per 9 Inningsverified
3
0.09
John Costello
Career
Per 9 Innings
2
0.11
Mike Willis
Careerverified
Per 9 Inningsverified
1
0.03
John Costello
Career
Per 9 Innings
670
38.25
Mike Willis
Careerverified
Per 9 Inningsverified
1295
39.38
John Costello
Career
Per 9 Innings
36
2.05
Mike Willis
Careerverified
Per 9 Inningsverified
71
2.16
John Costello
Careerverified
Per 9 Inningsverified
62
3.54
Mike Willis
Career
Per 9 Innings
161
4.9
John Costello
Careerverified
Per 9 Inningsverified
3.54
3.54
Mike Willis
Career
Per 9 Innings
4.9
4.9
John Costello
Careerverified
Per 9 Inningsverified
5
0.29
Mike Willis
Career
Per 9 Innings
19
0.58
John Costello
Careerverified
Per 9 Innings
9
0.51
Mike Willis
Career
Per 9 Inningsverified
12
0.36
John Costello
Career
Per 9 Innings
9
0.51
Mike Willis
Careerverified
Per 9 Inningsverified
23
0.7
John Costello
Careerverified
Per 9 Inningsverified
1.3
1.3
Mike Willis
Career
Per 9 Innings
1.473
1.473
John Costello
Career
Per 9 Innings
589
33.62
Mike Willis
Careerverified
Per 9 Inningsverified
1137
34.57
John Costello
Careerverified
Per 9 Inningsverified
0.52
0.52
Mike Willis
Career
Per 9 Innings
1.12
1.12
John Costello
Careerverified
Per 9 Inningsverified
0.271
0.271
Mike Willis
Career
Per 9 Innings
0.29
0.29
John Costello
Career
Per 9 Innings
38.25
38.25
Mike Willis
Careerverified
Per 9 Inningsverified
39.38
39.38

Fielding Stats for John Costello and Mike Willis

John Costello
Career
Per 9 Innings
4
4
Mike Willis
Careerverified
Per 9 Inningsverified
5
5
John Costello
Career
Per 9 Inningsverified
119
6.79
Mike Willis
Careerverified
Per 9 Innings
144
4.38
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
6
0.18
John Costello
Career
Per 9 Innings
473
27
Mike Willis
Careerverified
Per 9 Innings
888
27
John Costello
Career
Per 9 Innings
157.2
9
Mike Willis
Careerverified
Per 9 Innings
296
9
John Costello
Career
Per 9 Innings
6
0.34
Mike Willis
Careerverified
Per 9 Inningsverified
19
0.58
John Costello
Career
Per 9 Innings
12
0.68
Mike Willis
Careerverified
Per 9 Inningsverified
49
1.49
John Costello
Careerverified
Per 9 Inningsverified
0
0
Mike Willis
Career
Per 9 Innings
2
0.06
John Costello
Career
Per 9 Innings
18
1.03
Mike Willis
Careerverified
Per 9 Inningsverified
70
2.13
John Costello
Career
Per 9 Innings
18
1.03
Mike Willis
Careerverified
Per 9 Inningsverified
68
2.07
John Costello
Careerverified
Per 9 Inningsverified
100
100
Mike Willis
Career
Per 9 Innings
97.14
97.14
John Costello
Career
Per 9 Innings
0.151
0.151
Mike Willis
Careerverified
Per 9 Inningsverified
0.472
0.472
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
4.17
4.17
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Careerverified
Per 9 Inningsverified
2
0.06
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Career
Per 9 Innings
0
0
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Career
Per 9 Innings
0
0
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Career
Per 9 Innings
0
0
John Costello
Career
Per 9 Innings
0
0
Mike Willis
Career
Per 9 Innings
0
0

Hitting Stats for John Costello and Mike Willis

John Costello
Career
Per 600 PAverified
4
4
Mike Willis
Careerverified
Per 600 PA
5
John Costello
Career
Per 600 PAverified
119
4760
Mike Willis
Careerverified
Per 600 PA
144
John Costello
Careerverified
Per 600 PAverified
15
600
Mike Willis
Career
Per 600 PA
0
John Costello
Careerverified
Per 600 PAverified
12
480
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Careerverified
Per 600 PAverified
0.2
0.2
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Careerverified
Per 600 PAverified
-1.2
-48.1
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
9
360
Mike Willis
Careerverified
Per 600 PAverified
0
John Costello
Careerverified
Per 600 PAverified
1.67
1.67
Mike Willis
Career
Per 600 PA
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
John Costello
Careerverified
Per 600 PAverified
3
120
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
0
0
Mike Willis
Career
Per 600 PA
0
John Costello
Career
Per 600 PA
Mike Willis
Career
Per 600 PA