Win Mercer vs. Robin Roberts — Career Comparison

Win Mercer
Pre-GenerationalWest VirginiaThrows RightBats LeftNorth AmericaWashington NationalsNational LeagueRelief Pitcher
Robin Roberts
Greatest GenerationIllinoisThrows RightBats SwitchNorth AmericaPhiladelphia PhilliesNational LeagueHall of FameStarting PitcherAll-Star

Robin Roberts built a career as a starting pitcher and Win Mercer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Robin Roberts posted stronger surface numbers — ERA 3.41 and WHIP 1.184 compared to 3.98 and 1.544 for Win Mercer. By the career numbers, Robin Roberts had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Win Mercer and Robin Roberts

Win Mercer
Career
Per 9 Innings
9
9
Robin Roberts
Careerverified
Per 9 Inningsverified
19
19
Win Mercer
Career
Per 9 Innings
335
1.21
Robin Roberts
Careerverified
Per 9 Inningsverified
676
1.3
Win Mercer
Career
Per 9 Innings
300
1.09
Robin Roberts
Careerverified
Per 9 Inningsverified
609
1.17
Win Mercer
Career
Per 9 Innings
132
0.48
Robin Roberts
Careerverified
Per 9 Inningsverified
286
0.55
Win Mercer
Careerverified
Per 9 Innings
164
0.59
Robin Roberts
Career
Per 9 Inningsverified
245
0.47
Win Mercer
Career
Per 9 Innings
44.59
44.59
Robin Roberts
Careerverified
Per 9 Inningsverified
53.86
53.86
Win Mercer
Career
Per 9 Innings
89.55
89.55
Robin Roberts
Careerverified
Per 9 Inningsverified
90.09
90.09
Win Mercer
Career
Per 9 Inningsverified
253
0.92
Robin Roberts
Careerverified
Per 9 Innings
305
0.59
Win Mercer
Career
Per 9 Innings
11
0.04
Robin Roberts
Careerverified
Per 9 Inningsverified
45
0.09
Win Mercer
Career
Per 9 Innings
10
0.04
Robin Roberts
Careerverified
Per 9 Inningsverified
25
0.05
Win Mercer
Careerverified
Per 9 Innings
1098
3.98
Robin Roberts
Career
Per 9 Inningsverified
1774
3.41
Win Mercer
Career
Per 9 Innings
3.98
3.98
Robin Roberts
Careerverified
Per 9 Inningsverified
3.41
3.41
Win Mercer
Career
Per 9 Innings
4.76
4.76
Robin Roberts
Careerverified
Per 9 Inningsverified
3.24
3.24
Win Mercer
Careerverified
Per 9 Inningsverified
3.99
3.99
Robin Roberts
Career
Per 9 Innings
4.01
4.01
Win Mercer
Career
Per 9 Innings
0.302
0.302
Robin Roberts
Careerverified
Per 9 Inningsverified
0.252
0.252
Win Mercer
Career
Per 9 Innings
7454
27
Robin Roberts
Careerverified
Per 9 Innings
14066
27
Win Mercer
Career
Per 9 Innings
2484.2
9
Robin Roberts
Careerverified
Per 9 Innings
4688.2
9
Win Mercer
Careerverified
Per 9 Innings
3081
11.16
Robin Roberts
Career
Per 9 Inningsverified
4582
8.8
Win Mercer
Career
Per 9 Innings
11.16
11.16
Robin Roberts
Careerverified
Per 9 Inningsverified
8.8
8.8
Win Mercer
Careerverified
Per 9 Inningsverified
64
0.23
Robin Roberts
Career
Per 9 Innings
505
0.97
Win Mercer
Careerverified
Per 9 Inningsverified
0.23
0.23
Robin Roberts
Career
Per 9 Innings
0.97
0.97
Win Mercer
Careerverified
Per 9 Inningsverified
0.19
0.19
Robin Roberts
Career
Per 9 Innings
0.75
0.75
Win Mercer
Careerverified
Per 9 Innings
755
2.73
Robin Roberts
Career
Per 9 Inningsverified
902
1.73
Win Mercer
Careerverified
Per 9 Inningsverified
0
0
Robin Roberts
Career
Per 9 Innings
69
0.13
Win Mercer
Career
Per 9 Innings
2.73
2.73
Robin Roberts
Careerverified
Per 9 Inningsverified
1.73
1.73
Win Mercer
Career
Per 9 Innings
532
1.93
Robin Roberts
Careerverified
Per 9 Inningsverified
2357
4.52
Win Mercer
Career
Per 9 Innings
1.93
1.93
Robin Roberts
Careerverified
Per 9 Inningsverified
4.52
4.52
Win Mercer
Career
Per 9 Innings
1.59
1.59
Robin Roberts
Careerverified
Per 9 Inningsverified
3.49
3.49
Win Mercer
Career
Per 9 Innings
0.518
0.518
Robin Roberts
Careerverified
Per 9 Inningsverified
0.695
0.695
Win Mercer
Career
Per 9 Innings
43
0.16
Robin Roberts
Careerverified
Per 9 Inningsverified
33
0.06
Win Mercer
Career
Per 9 Innings
144
0.52
Robin Roberts
Careerverified
Per 9 Inningsverified
54
0.1
Win Mercer
Careerverified
Per 9 Inningsverified
0
0
Robin Roberts
Career
Per 9 Innings
3
0.01
Win Mercer
Career
Per 9 Inningsverified
11106
40.23
Robin Roberts
Careerverified
Per 9 Innings
19174
36.8
Win Mercer
Career
Per 9 Inningsverified
34
0.12
Robin Roberts
Careerverified
Per 9 Innings
49
0.09
Win Mercer
Careerverified
Per 9 Innings
1753
6.35
Robin Roberts
Career
Per 9 Inningsverified
1962
3.77
Win Mercer
Career
Per 9 Innings
6.35
6.35
Robin Roberts
Careerverified
Per 9 Inningsverified
3.77
3.77
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
1.544
1.544
Robin Roberts
Careerverified
Per 9 Inningsverified
1.17
1.17
Win Mercer
Career
Per 9 Inningsverified
10207
36.97
Robin Roberts
Careerverified
Per 9 Innings
18218
34.97
Win Mercer
Career
Per 9 Innings
5.23
5.23
Robin Roberts
Careerverified
Per 9 Inningsverified
2.9
2.9
Win Mercer
Career
Per 9 Innings
0.314
0.314
Robin Roberts
Careerverified
Per 9 Inningsverified
0.266
0.266
Win Mercer
Careerverified
Per 9 Inningsverified
40.23
40.23
Robin Roberts
Career
Per 9 Innings
36.8
36.8

Fielding Stats for Win Mercer and Robin Roberts

Win Mercer
Career
Per 9 Innings
9
9
Robin Roberts
Careerverified
Per 9 Inningsverified
19
19
Win Mercer
Career
Per 9 Innings
553
1.22
Robin Roberts
Careerverified
Per 9 Inningsverified
676
2.02
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Careerverified
Per 9 Inningsverified
402
1.2
Win Mercer
Careerverified
Per 9 Innings
12210
27
Robin Roberts
Career
Per 9 Innings
9058
27
Win Mercer
Careerverified
Per 9 Innings
4070
9
Robin Roberts
Career
Per 9 Innings
3019.1
9
Win Mercer
Careerverified
Per 9 Inningsverified
507
1.12
Robin Roberts
Career
Per 9 Innings
316
0.94
Win Mercer
Careerverified
Per 9 Inningsverified
884
1.95
Robin Roberts
Career
Per 9 Innings
601
1.79
Win Mercer
Career
Per 9 Innings
191
0.42
Robin Roberts
Careerverified
Per 9 Inningsverified
31
0.09
Win Mercer
Careerverified
Per 9 Inningsverified
1582
3.5
Robin Roberts
Career
Per 9 Innings
948
2.83
Win Mercer
Careerverified
Per 9 Inningsverified
1391
3.08
Robin Roberts
Career
Per 9 Innings
917
2.73
Win Mercer
Career
Per 9 Innings
87.93
87.93
Robin Roberts
Careerverified
Per 9 Inningsverified
96.73
96.73
Win Mercer
Careerverified
Per 9 Inningsverified
2.515
2.515
Robin Roberts
Career
Per 9 Innings
1.357
1.357
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Careerverified
Per 9 Inningsverified
59.47
59.47
Win Mercer
Careerverified
Per 9 Innings
50
0.11
Robin Roberts
Career
Per 9 Inningsverified
45
0.13
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0
Win Mercer
Career
Per 9 Innings
0
0
Robin Roberts
Career
Per 9 Innings
0
0

Hitting Stats for Win Mercer and Robin Roberts

Win Mercer
Career
Per 600 PA
9
9
Robin Roberts
Careerverified
Per 600 PAverified
19
19
Win Mercer
Career
Per 600 PA
566
172.65
Robin Roberts
Careerverified
Per 600 PAverified
688
231.65
Win Mercer
Careerverified
Per 600 PA
1967
600
Robin Roberts
Career
Per 600 PA
1782
600
Win Mercer
Careerverified
Per 600 PAverified
1773
540.82
Robin Roberts
Career
Per 600 PA
1525
513.47
Win Mercer
Careerverified
Per 600 PAverified
0.285
0.285
Robin Roberts
Career
Per 600 PA
0.167
0.167
Win Mercer
Careerverified
Per 600 PAverified
0.741
0.741
Robin Roberts
Career
Per 600 PA
0.522
0.522
Win Mercer
Careerverified
Per 600 PAverified
506
154.35
Robin Roberts
Career
Per 600 PA
255
85.86
Win Mercer
Careerverified
Per 600 PAverified
437
133.3
Robin Roberts
Career
Per 600 PA
185
62.29
Win Mercer
Career
Per 600 PA
39
11.9
Robin Roberts
Careerverified
Per 600 PAverified
55
18.52
Win Mercer
Careerverified
Per 600 PAverified
23
7.02
Robin Roberts
Career
Per 600 PA
10
3.37
Win Mercer
Careerverified
Per 600 PAverified
7
2.14
Robin Roberts
Career
Per 600 PA
5
1.68
Win Mercer
Career
Per 600 PA
69
21.05
Robin Roberts
Careerverified
Per 600 PAverified
70
23.57
Win Mercer
Career
Per 600 PA
0.136
0.136
Robin Roberts
Careerverified
Per 600 PAverified
0.275
0.275
Win Mercer
Careerverified
Per 600 PAverified
0.004
0.004
Robin Roberts
Career
Per 600 PA
0.003
0.003
Win Mercer
Career
Per 600 PA
0.014
0.014
Robin Roberts
Careerverified
Per 600 PAverified
0.02
0.02
Win Mercer
Careerverified
Per 600 PAverified
238.63
72.79
Robin Roberts
Career
Per 600 PA
83.71
28.19
Win Mercer
Careerverified
Per 600 PAverified
612
186.68
Robin Roberts
Career
Per 600 PA
345
116.16
Win Mercer
Careerverified
Per 600 PAverified
664
202.54
Robin Roberts
Career
Per 600 PA
398
134.01
Win Mercer
Careerverified
Per 600 PAverified
0.344
0.344
Robin Roberts
Career
Per 600 PA
0.238
0.238
Win Mercer
Careerverified
Per 600 PAverified
0.345
0.345
Robin Roberts
Career
Per 600 PA
0.226
0.226
Win Mercer
Careerverified
Per 600 PAverified
0.689
0.689
Robin Roberts
Career
Per 600 PA
0.464
0.464
Win Mercer
Careerverified
Per 600 PAverified
0.06
0.06
Robin Roberts
Career
Per 600 PA
0.059
0.059
Win Mercer
Careerverified
Per 600 PAverified
0.241
0.241
Robin Roberts
Career
Per 600 PA
0.164
0.164
Win Mercer
Careerverified
Per 600 PAverified
0.677
0.677
Robin Roberts
Career
Per 600 PA
0.375
0.375
Win Mercer
Careerverified
Per 600 PAverified
0.314
0.314
Robin Roberts
Career
Per 600 PA
0.217
0.217
Win Mercer
Careerverified
Per 600 PAverified
278
84.8
Robin Roberts
Career
Per 600 PA
107
36.03
Win Mercer
Careerverified
Per 600 PAverified
197
60.09
Robin Roberts
Career
Per 600 PA
103
34.68
Win Mercer
Careerverified
Per 600 PAverified
468
142.76
Robin Roberts
Career
Per 600 PA
205
69.02
Win Mercer
Careerverified
Per 600 PAverified
270.24
82.43
Robin Roberts
Career
Per 600 PA
73.98
24.91
Win Mercer
Careerverified
Per 600 PAverified
17
5.19
Robin Roberts
Career
Per 600 PA
8
2.69
Win Mercer
Careerverified
Per 600 PA
141
43.01
Robin Roberts
Career
Per 600 PAverified
135
45.45
Win Mercer
Career
Per 600 PA
0
0
Robin Roberts
Career
Per 600 PA
0
0
Win Mercer
Careerverified
Per 600 PAverified
178
54.3
Robin Roberts
Career
Per 600 PA
372
125.25
Win Mercer
Careerverified
Per 600 PAverified
11.05
11.05
Robin Roberts
Career
Per 600 PA
4.79
4.79
Win Mercer
Careerverified
Per 600 PAverified
0.79
0.79
Robin Roberts
Career
Per 600 PA
0.36
0.36
Win Mercer
Career
Per 600 PA
36
10.98
Robin Roberts
Careerverified
Per 600 PAverified
108
36.36
Win Mercer
Career
Per 600 PA
0
0
Robin Roberts
Careerverified
Per 600 PAverified
6
2.02
Win Mercer
Careerverified
Per 600 PAverified
0
0
Robin Roberts
Career
Per 600 PA
37
12.46
Win Mercer
Careerverified
Per 600 PAverified
88
26.84
Robin Roberts
Career
Per 600 PA
3
1.01
Win Mercer
Career
Per 600 PA
0
0
Robin Roberts
Careerverified
Per 600 PAverified
1
0.34
Win Mercer
Careerverified
Per 600 PAverified
88
26.84
Robin Roberts
Career
Per 600 PA
4
1.35
Win Mercer
Careerverified
Per 600 PAverified
100
100
Robin Roberts
Career
Per 600 PA
75
75