Jack Mercer vs. John Valentine — Career Comparison

Jack Mercer
Lost GenerationOhioThrows RightNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
John Valentine
Pre-GenerationalNew YorkNorth AmericaColumbus BuckeyesAmerican AssociationRelief Pitcher

Looking at the career totals, Jack Mercer and John Valentine are fairly close on the surface numbers. Jack Mercer carried a career ERA of 0 against John Valentine's 3.53. The surface numbers don't cleanly separate Jack Mercer and John Valentine — era context would be needed for a firmer verdict.

Pitching Stats for Jack Mercer and John Valentine

Jack Mercer
Career
Per 9 Innings
1
1
John Valentine
Career
Per 9 Innings
1
1
Jack Mercer
Career
Per 9 Inningsverified
1
9
John Valentine
Careerverified
Per 9 Innings
13
1.15
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
12
1.06
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
2
0.18
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
10
0.88
Jack Mercer
Career
Per 9 Innings
John Valentine
Careerverified
Per 9 Inningsverified
16.67
16.67
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
92.31
92.31
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
11
0.97
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
40
3.53
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
3.53
3.53
Jack Mercer
Career
Per 9 Innings
4.48
4.48
John Valentine
Careerverified
Per 9 Inningsverified
3.77
3.77
Jack Mercer
Career
Per 9 Innings
7
7
John Valentine
Careerverified
Per 9 Inningsverified
3.25
3.25
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
0.292
0.292
Jack Mercer
Career
Per 9 Innings
3
27
John Valentine
Careerverified
Per 9 Innings
306
27
Jack Mercer
Career
Per 9 Innings
1
9
John Valentine
Careerverified
Per 9 Innings
102
9
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
130
11.47
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
11.47
11.47
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Careerverified
Per 9 Innings
2
18
John Valentine
Career
Per 9 Inningsverified
17
1.5
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
18
18
John Valentine
Careerverified
Per 9 Inningsverified
1.5
1.5
Jack Mercer
Career
Per 9 Inningsverified
1
9
John Valentine
Careerverified
Per 9 Innings
13
1.15
Jack Mercer
Careerverified
Per 9 Inningsverified
9
9
John Valentine
Career
Per 9 Innings
1.15
1.15
Jack Mercer
Career
Per 9 Innings
1
1
John Valentine
Career
Per 9 Innings
1
1
Jack Mercer
Careerverified
Per 9 Inningsverified
3
3
John Valentine
Career
Per 9 Innings
0.294
0.294
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
1
0.09
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
4
36
John Valentine
Careerverified
Per 9 Inningsverified
463
40.85
Jack Mercer
Career
Per 9 Inningsverified
1
9
John Valentine
Career
Per 9 Innings
1
0.09
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
80
7.06
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
7.06
7.06
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
2
2
John Valentine
Careerverified
Per 9 Inningsverified
1.441
1.441
Jack Mercer
Career
Per 9 Innings
2
18
John Valentine
Careerverified
Per 9 Inningsverified
446
39.35
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
6.15
6.15
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
0.3
0.3
Jack Mercer
Career
Per 9 Innings
36
36
John Valentine
Careerverified
Per 9 Inningsverified
40.85
40.85

Fielding Stats for Jack Mercer and John Valentine

Jack Mercer
Career
Per 9 Innings
1
1
John Valentine
Career
Per 9 Innings
1
1
Jack Mercer
Career
Per 9 Inningsverified
1
9
John Valentine
Careerverified
Per 9 Innings
17
1.34
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
3
27
John Valentine
Careerverified
Per 9 Innings
342
27
Jack Mercer
Career
Per 9 Innings
1
9
John Valentine
Careerverified
Per 9 Innings
114
9
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
10
0.79
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
25
1.97
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
John Valentine
Career
Per 9 Innings
7
0.55
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
42
3.32
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
35
2.76
Jack Mercer
Career
Per 9 Innings
John Valentine
Careerverified
Per 9 Inningsverified
83.33
83.33
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
2.059
2.059
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Careerverified
Per 9 Inningsverified
1
0.08
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
John Valentine
Career
Per 9 Innings
0
0

Hitting Stats for Jack Mercer and John Valentine

Jack Mercer
Career
Per 600 PA
1
John Valentine
Career
Per 600 PAverified
1
1
Jack Mercer
Career
Per 600 PA
1
John Valentine
Careerverified
Per 600 PAverified
16
154.84
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
62
600
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
60
580.65
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.283
0.283
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.661
0.661
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
17
164.52
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
13
125.81
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
4
38.71
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
4
38.71
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.235
0.235
Jack Mercer
Career
Per 600 PA
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
6.3
60.99
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
21
203.23
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
19
183.87
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.307
0.307
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.35
0.35
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.657
0.657
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.067
0.067
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.225
0.225
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.535
0.535
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
0.283
0.283
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
9
87.1
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
9
87.1
Jack Mercer
Career
Per 600 PA
John Valentine
Careerverified
Per 600 PAverified
7.23
69.94
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Careerverified
Per 600 PAverified
2
19.35
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
John Valentine
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
John Valentine
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
John Valentine
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
John Valentine
Career
Per 600 PA