Fred Hayner vs. Jack Mercer — Career Comparison

Fred Hayner
Pre-GenerationalWisconsinNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
Jack Mercer
Lost GenerationOhioThrows RightNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

On the career pitching numbers, Jack Mercer posted a stronger line than Fred Hayner. Jack Mercer posted stronger numbers in ERA (0 vs 13.5) and WHIP (2.000 vs 3.000). By the career numbers, Jack Mercer had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.

Pitching Stats for Fred Hayner and Jack Mercer

Fred Hayner
Career
Per 9 Innings
1
1
Jack Mercer
Career
Per 9 Innings
1
1
Fred Hayner
Career
Per 9 Innings
1
2.25
Jack Mercer
Career
Per 9 Inningsverified
1
9
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
Jack Mercer
Career
Per 9 Innings
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
6
13.5
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
13.5
13.5
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
16.88
16.88
Jack Mercer
Careerverified
Per 9 Inningsverified
4.48
4.48
Fred Hayner
Career
Per 9 Innings
12.75
12.75
Jack Mercer
Careerverified
Per 9 Inningsverified
7
7
Fred Hayner
Career
Per 9 Innings
0.368
0.368
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Careerverified
Per 9 Innings
12
27
Jack Mercer
Career
Per 9 Innings
3
27
Fred Hayner
Careerverified
Per 9 Innings
4
9
Jack Mercer
Career
Per 9 Innings
1
9
Fred Hayner
Career
Per 9 Innings
7
15.75
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
15.75
15.75
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
2
4.5
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
4.5
4.5
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
2
2
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Inningsverified
5
11.25
Jack Mercer
Careerverified
Per 9 Innings
2
18
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
11.25
11.25
Jack Mercer
Career
Per 9 Innings
18
18
Fred Hayner
Career
Per 9 Innings
1
2.25
Jack Mercer
Career
Per 9 Inningsverified
1
9
Fred Hayner
Career
Per 9 Innings
2.25
2.25
Jack Mercer
Careerverified
Per 9 Inningsverified
9
9
Fred Hayner
Career
Per 9 Innings
1
1
Jack Mercer
Career
Per 9 Innings
1
1
Fred Hayner
Career
Per 9 Innings
1.5
1.5
Jack Mercer
Careerverified
Per 9 Inningsverified
3
3
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
24
54
Jack Mercer
Career
Per 9 Innings
4
36
Fred Hayner
Career
Per 9 Innings
1
2.25
Jack Mercer
Career
Per 9 Inningsverified
1
9
Fred Hayner
Career
Per 9 Innings
9
20.25
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
20.25
20.25
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
3
3
Jack Mercer
Careerverified
Per 9 Inningsverified
2
2
Fred Hayner
Careerverified
Per 9 Inningsverified
19
42.75
Jack Mercer
Career
Per 9 Innings
2
18
Fred Hayner
Career
Per 9 Innings
9
9
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Career
Per 9 Innings
0.313
0.313
Jack Mercer
Careerverified
Per 9 Inningsverified
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
54
54
Jack Mercer
Career
Per 9 Innings
36
36

Fielding Stats for Fred Hayner and Jack Mercer

Fred Hayner
Career
Per 9 Innings
1
1
Jack Mercer
Career
Per 9 Innings
1
1
Fred Hayner
Career
Per 9 Innings
1
2.25
Jack Mercer
Career
Per 9 Inningsverified
1
9
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Innings
12
27
Jack Mercer
Career
Per 9 Innings
3
27
Fred Hayner
Careerverified
Per 9 Innings
4
9
Jack Mercer
Career
Per 9 Innings
1
9
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
1
2.25
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
1
2.25
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
1
2.25
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Careerverified
Per 9 Inningsverified
100
100
Jack Mercer
Career
Per 9 Innings
Fred Hayner
Careerverified
Per 9 Inningsverified
1
1
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0
Fred Hayner
Career
Per 9 Innings
0
0
Jack Mercer
Career
Per 9 Innings
0
0

Hitting Stats for Fred Hayner and Jack Mercer

Fred Hayner
Career
Per 600 PAverified
1
1
Jack Mercer
Career
Per 600 PA
1
Fred Hayner
Career
Per 600 PAverified
1
300
Jack Mercer
Career
Per 600 PA
1
Fred Hayner
Careerverified
Per 600 PAverified
2
600
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Careerverified
Per 600 PAverified
2
600
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Careerverified
Per 600 PAverified
-0.2
-60
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
0
0
Jack Mercer
Career
Per 600 PA
0
Fred Hayner
Career
Per 600 PA
Jack Mercer
Career
Per 600 PA