Willie Hernandez vs. Kent Mercker — Career Comparison

Willie Hernandez
Baby BoomersP.R.Throws LeftBats LeftCaribbeanDetroit TigersAmerican LeagueRelief PitcherCy Young AwardMVPAll-Star
Kent Mercker
Gen XIndianaThrows LeftBats LeftNorth AmericaAtlanta BravesNational LeagueRelief Pitcher

The numbers give Willie Hernandez a clear advantage over Kent Mercker across the core pitching metrics. Willie Hernandez led in strikeout rate (K%+ 109 vs 81), skill-based run prevention (DICE+ 91 vs 76), and run prevention (ERA+ 100 vs 87). Kent Mercker held the edge in walk avoidance (BB%+ 90 vs 88). Willie Hernandez was the better reliever — the numbers make that case clearly.

Pitching Stats for Willie Hernandez and Kent Mercker

Willie Hernandez
Career
Per 9 Innings
13
13
Kent Mercker
Careerverified
Per 9 Inningsverified
18
18
Willie Hernandez
Careerverified
Per 9 Inningsverified
744
6.41
Kent Mercker
Career
Per 9 Innings
692
4.7
Willie Hernandez
Career
Per 9 Innings
11
0.09
Kent Mercker
Careerverified
Per 9 Inningsverified
150
1.02
Willie Hernandez
Career
Per 9 Inningsverified
70
0.6
Kent Mercker
Careerverified
Per 9 Innings
74
0.5
Willie Hernandez
Careerverified
Per 9 Innings
63
0.54
Kent Mercker
Career
Per 9 Inningsverified
67
0.45
Willie Hernandez
Careerverified
Per 9 Inningsverified
52.63
52.63
Kent Mercker
Career
Per 9 Innings
52.48
52.48
Willie Hernandez
Career
Per 9 Innings
1.48
1.48
Kent Mercker
Careerverified
Per 9 Inningsverified
21.68
21.68
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Careerverified
Per 9 Inningsverified
2
0.01
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Careerverified
Per 9 Inningsverified
1
0.01
Willie Hernandez
Careerverified
Per 9 Inningsverified
147
1.27
Kent Mercker
Career
Per 9 Innings
25
0.17
Willie Hernandez
Careerverified
Per 9 Inningsverified
392
3.38
Kent Mercker
Career
Per 9 Innings
612
4.16
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.38
3.38
Kent Mercker
Career
Per 9 Innings
4.16
4.16
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.27
3.27
Kent Mercker
Career
Per 9 Innings
4.39
4.39
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.77
3.77
Kent Mercker
Career
Per 9 Innings
4.57
4.57
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.245
0.245
Kent Mercker
Career
Per 9 Innings
0.259
0.259
Willie Hernandez
Career
Per 9 Innings
3134
27
Kent Mercker
Careerverified
Per 9 Innings
3976
27
Willie Hernandez
Career
Per 9 Innings
1044.2
9
Kent Mercker
Careerverified
Per 9 Innings
1325.1
9
Willie Hernandez
Careerverified
Per 9 Inningsverified
952
8.2
Kent Mercker
Career
Per 9 Innings
1307
8.88
Willie Hernandez
Careerverified
Per 9 Inningsverified
8.2
8.2
Kent Mercker
Career
Per 9 Innings
8.88
8.88
Willie Hernandez
Careerverified
Per 9 Inningsverified
97
0.84
Kent Mercker
Career
Per 9 Innings
154
1.05
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.84
0.84
Kent Mercker
Career
Per 9 Innings
1.05
1.05
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.13
0.13
Kent Mercker
Career
Per 9 Innings
0.22
0.22
Willie Hernandez
Careerverified
Per 9 Inningsverified
349
3.01
Kent Mercker
Career
Per 9 Innings
607
4.12
Willie Hernandez
Career
Per 9 Innings
79
0.68
Kent Mercker
Careerverified
Per 9 Inningsverified
47
0.32
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.01
3.01
Kent Mercker
Career
Per 9 Innings
4.12
4.12
Willie Hernandez
Career
Per 9 Inningsverified
788
6.79
Kent Mercker
Careerverified
Per 9 Innings
917
6.23
Willie Hernandez
Careerverified
Per 9 Inningsverified
6.79
6.79
Kent Mercker
Career
Per 9 Innings
6.23
6.23
Willie Hernandez
Career
Per 9 Innings
1.06
1.06
Kent Mercker
Careerverified
Per 9 Inningsverified
1.33
1.33
Willie Hernandez
Career
Per 9 Innings
1.088
1.088
Kent Mercker
Careerverified
Per 9 Inningsverified
1.15
1.15
Willie Hernandez
Careerverified
Per 9 Inningsverified
37
0.32
Kent Mercker
Career
Per 9 Innings
55
0.37
Willie Hernandez
Careerverified
Per 9 Innings
25
0.22
Kent Mercker
Career
Per 9 Innings
32
0.22
Willie Hernandez
Careerverified
Per 9 Inningsverified
10
0.09
Kent Mercker
Career
Per 9 Innings
15
0.1
Willie Hernandez
Career
Per 9 Innings
4366
37.61
Kent Mercker
Careerverified
Per 9 Inningsverified
5792
39.33
Willie Hernandez
Careerverified
Per 9 Inningsverified
419
3.61
Kent Mercker
Career
Per 9 Innings
157
1.07
Willie Hernandez
Careerverified
Per 9 Inningsverified
431
3.71
Kent Mercker
Career
Per 9 Innings
676
4.59
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.71
3.71
Kent Mercker
Career
Per 9 Innings
4.59
4.59
Willie Hernandez
Career
Per 9 Innings
65
0.56
Kent Mercker
Career
Per 9 Inningsverified
65
0.44
Willie Hernandez
Careerverified
Per 9 Innings
36
0.31
Kent Mercker
Career
Per 9 Innings
46
0.31
Willie Hernandez
Career
Per 9 Innings
72
0.62
Kent Mercker
Careerverified
Per 9 Inningsverified
104
0.71
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.245
1.245
Kent Mercker
Career
Per 9 Innings
1.444
1.444
Willie Hernandez
Career
Per 9 Innings
3891
33.52
Kent Mercker
Careerverified
Per 9 Inningsverified
5042
34.24
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.58
0.58
Kent Mercker
Career
Per 9 Innings
0.98
0.98
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.284
0.284
Kent Mercker
Career
Per 9 Innings
0.29
0.29
Willie Hernandez
Career
Per 9 Innings
37.61
37.61
Kent Mercker
Careerverified
Per 9 Inningsverified
39.33
39.33

Fielding Stats for Willie Hernandez and Kent Mercker

Willie Hernandez
Career
Per 9 Innings
13
13
Kent Mercker
Careerverified
Per 9 Inningsverified
18
18
Willie Hernandez
Careerverified
Per 9 Inningsverified
744
6.41
Kent Mercker
Career
Per 9 Innings
692
4.7
Willie Hernandez
Career
Per 9 Innings
11
0.09
Kent Mercker
Careerverified
Per 9 Inningsverified
151
1.03
Willie Hernandez
Career
Per 9 Innings
3134
27
Kent Mercker
Careerverified
Per 9 Innings
3976
27
Willie Hernandez
Career
Per 9 Innings
1044.2
9
Kent Mercker
Careerverified
Per 9 Innings
1325.1
9
Willie Hernandez
Careerverified
Per 9 Inningsverified
58
0.5
Kent Mercker
Career
Per 9 Innings
53
0.36
Willie Hernandez
Careerverified
Per 9 Inningsverified
169
1.46
Kent Mercker
Career
Per 9 Innings
158
1.07
Willie Hernandez
Careerverified
Per 9 Inningsverified
4
0.03
Kent Mercker
Career
Per 9 Innings
17
0.12
Willie Hernandez
Careerverified
Per 9 Inningsverified
231
1.99
Kent Mercker
Career
Per 9 Innings
228
1.55
Willie Hernandez
Careerverified
Per 9 Inningsverified
227
1.96
Kent Mercker
Career
Per 9 Innings
211
1.43
Willie Hernandez
Careerverified
Per 9 Inningsverified
98.27
98.27
Kent Mercker
Career
Per 9 Innings
92.54
92.54
Willie Hernandez
Career
Per 9 Innings
0.305
0.305
Kent Mercker
Career
Per 9 Innings
0.305
0.305
Willie Hernandez
Career
Per 9 Innings
1.48
1.48
Kent Mercker
Careerverified
Per 9 Inningsverified
21.82
21.82
Willie Hernandez
Careerverified
Per 9 Inningsverified
12
0.1
Kent Mercker
Career
Per 9 Innings
8
0.05
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0

Hitting Stats for Willie Hernandez and Kent Mercker

Willie Hernandez
Career
Per 600 PA
13
13
Kent Mercker
Careerverified
Per 600 PAverified
18
18
Willie Hernandez
Careerverified
Per 600 PAverified
747
6402.86
Kent Mercker
Career
Per 600 PA
698
1485.11
Willie Hernandez
Career
Per 600 PA
70
600
Kent Mercker
Careerverified
Per 600 PA
282
600
Willie Hernandez
Career
Per 600 PAverified
63
540
Kent Mercker
Careerverified
Per 600 PA
248
527.66
Willie Hernandez
Careerverified
Per 600 PAverified
0.206
0.206
Kent Mercker
Career
Per 600 PA
0.113
0.113
Willie Hernandez
Careerverified
Per 600 PAverified
0.531
0.531
Kent Mercker
Career
Per 600 PA
0.381
0.381
Willie Hernandez
Career
Per 600 PAverified
13
111.43
Kent Mercker
Careerverified
Per 600 PA
28
59.57
Willie Hernandez
Career
Per 600 PAverified
11
94.29
Kent Mercker
Careerverified
Per 600 PA
20
42.55
Willie Hernandez
Career
Per 600 PAverified
2
17.14
Kent Mercker
Careerverified
Per 600 PA
5
10.64
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
2
4.26
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
1
2.13
Willie Hernandez
Career
Per 600 PAverified
2
17.14
Kent Mercker
Careerverified
Per 600 PA
8
17.02
Willie Hernandez
Career
Per 600 PA
0.154
0.154
Kent Mercker
Careerverified
Per 600 PAverified
0.286
0.286
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.004
0.004
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.036
0.036
Willie Hernandez
Career
Per 600 PAverified
3.49
29.92
Kent Mercker
Careerverified
Per 600 PA
6.83
14.53
Willie Hernandez
Career
Per 600 PAverified
15
128.57
Kent Mercker
Careerverified
Per 600 PA
40
85.11
Willie Hernandez
Career
Per 600 PAverified
14
120
Kent Mercker
Careerverified
Per 600 PA
39
82.98
Willie Hernandez
Careerverified
Per 600 PAverified
0.219
0.219
Kent Mercker
Career
Per 600 PA
0.15
0.15
Willie Hernandez
Careerverified
Per 600 PAverified
0.238
0.238
Kent Mercker
Career
Per 600 PA
0.161
0.161
Willie Hernandez
Careerverified
Per 600 PAverified
0.457
0.457
Kent Mercker
Career
Per 600 PA
0.311
0.311
Willie Hernandez
Career
Per 600 PA
0.032
0.032
Kent Mercker
Careerverified
Per 600 PAverified
0.048
0.048
Willie Hernandez
Careerverified
Per 600 PAverified
0.158
0.158
Kent Mercker
Career
Per 600 PA
0.108
0.108
Willie Hernandez
Careerverified
Per 600 PAverified
0.36
0.36
Kent Mercker
Career
Per 600 PA
0.231
0.231
Willie Hernandez
Careerverified
Per 600 PAverified
0.382
0.382
Kent Mercker
Career
Per 600 PA
0.203
0.203
Willie Hernandez
Career
Per 600 PAverified
4
34.29
Kent Mercker
Careerverified
Per 600 PA
12
25.53
Willie Hernandez
Career
Per 600 PA
3
25.71
Kent Mercker
Careerverified
Per 600 PAverified
18
38.3
Willie Hernandez
Career
Per 600 PA
7
60
Kent Mercker
Careerverified
Per 600 PAverified
29
61.7
Willie Hernandez
Careerverified
Per 600 PAverified
3.5
30.01
Kent Mercker
Career
Per 600 PA
-0.57
-1.21
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
1
8.57
Kent Mercker
Careerverified
Per 600 PAverified
11
23.4
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PA
29
248.57
Kent Mercker
Career
Per 600 PAverified
115
244.68
Willie Hernandez
Career
Per 600 PA
2.41
2.41
Kent Mercker
Careerverified
Per 600 PAverified
2.45
2.45
Willie Hernandez
Career
Per 600 PA
0.03
0.03
Kent Mercker
Careerverified
Per 600 PAverified
0.1
0.1
Willie Hernandez
Career
Per 600 PAverified
6
51.43
Kent Mercker
Careerverified
Per 600 PA
22
46.81
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
1
2.13
Willie Hernandez
Careerverified
Per 600 PAverified
0
0
Kent Mercker
Career
Per 600 PA
1
2.13
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Kent Mercker
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Kent Mercker
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
100
100
Kent Mercker
Career
Per 600 PA