Mark Mercer vs. Koji Uehara — Career Comparison

Mark Mercer
Baby BoomersNorth CarolinaThrows LeftBats LeftNorth AmericaTexas RangersAmerican LeagueRelief Pitcher
Koji Uehara
Gen XJapanThrows RightBats RightAsiaBoston Red SoxAmerican LeagueRelief PitcherAll-Star

On the career pitching numbers, Koji Uehara posted a stronger line than Mark Mercer. Koji Uehara posted stronger numbers in ERA (2.66 vs 4.7) and WHIP (0.909 vs 1.826). By the career numbers, Koji Uehara 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 Mark Mercer and Koji Uehara

Mark Mercer
Career
Per 9 Innings
1
1
Koji Uehara
Careerverified
Per 9 Inningsverified
9
9
Mark Mercer
Career
Per 9 Inningsverified
7
8.22
Koji Uehara
Careerverified
Per 9 Innings
436
8.16
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
12
0.22
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
22
0.41
Mark Mercer
Careerverified
Per 9 Innings
1
1.17
Koji Uehara
Career
Per 9 Inningsverified
26
0.49
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
45.83
45.83
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
2.75
2.75
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Inningsverified
2
2.35
Koji Uehara
Careerverified
Per 9 Innings
95
1.78
Mark Mercer
Careerverified
Per 9 Innings
4
4.7
Koji Uehara
Career
Per 9 Inningsverified
142
2.66
Mark Mercer
Career
Per 9 Innings
4.7
4.7
Koji Uehara
Careerverified
Per 9 Inningsverified
2.66
2.66
Mark Mercer
Career
Per 9 Innings
5.91
5.91
Koji Uehara
Careerverified
Per 9 Inningsverified
1.95
1.95
Mark Mercer
Career
Per 9 Innings
5.35
5.35
Koji Uehara
Careerverified
Per 9 Inningsverified
2.75
2.75
Mark Mercer
Career
Per 9 Innings
0.241
0.241
Koji Uehara
Careerverified
Per 9 Inningsverified
0.199
0.199
Mark Mercer
Career
Per 9 Innings
23
27
Koji Uehara
Careerverified
Per 9 Innings
1442
27
Mark Mercer
Career
Per 9 Innings
7.2
9
Koji Uehara
Careerverified
Per 9 Innings
480.2
9
Mark Mercer
Careerverified
Per 9 Innings
7
8.22
Koji Uehara
Career
Per 9 Inningsverified
350
6.55
Mark Mercer
Career
Per 9 Innings
8.22
8.22
Koji Uehara
Careerverified
Per 9 Inningsverified
6.55
6.55
Mark Mercer
Careerverified
Per 9 Innings
1
1.17
Koji Uehara
Career
Per 9 Inningsverified
60
1.12
Mark Mercer
Career
Per 9 Innings
1.17
1.17
Koji Uehara
Careerverified
Per 9 Inningsverified
1.12
1.12
Mark Mercer
Career
Per 9 Innings
0.14
0.14
Koji Uehara
Career
Per 9 Innings
0.14
0.14
Mark Mercer
Careerverified
Per 9 Innings
7
8.22
Koji Uehara
Career
Per 9 Inningsverified
78
1.46
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
9
0.17
Mark Mercer
Career
Per 9 Innings
8.22
8.22
Koji Uehara
Careerverified
Per 9 Inningsverified
1.46
1.46
Mark Mercer
Career
Per 9 Innings
8
9.39
Koji Uehara
Careerverified
Per 9 Inningsverified
572
10.71
Mark Mercer
Career
Per 9 Innings
9.39
9.39
Koji Uehara
Careerverified
Per 9 Inningsverified
10.71
10.71
Mark Mercer
Career
Per 9 Innings
1.14
1.14
Koji Uehara
Careerverified
Per 9 Inningsverified
1.31
1.31
Mark Mercer
Careerverified
Per 9 Inningsverified
1.957
1.957
Koji Uehara
Career
Per 9 Innings
1.352
1.352
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
9
0.17
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
4
0.07
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Inningsverified
36
42.26
Koji Uehara
Careerverified
Per 9 Innings
1862
34.86
Mark Mercer
Career
Per 9 Innings
2
2.35
Koji Uehara
Careerverified
Per 9 Inningsverified
207
3.88
Mark Mercer
Careerverified
Per 9 Innings
4
4.7
Koji Uehara
Career
Per 9 Inningsverified
153
2.86
Mark Mercer
Career
Per 9 Innings
4.7
4.7
Koji Uehara
Careerverified
Per 9 Inningsverified
2.86
2.86
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
11
0.21
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
9
0.17
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
14
0.26
Mark Mercer
Career
Per 9 Innings
1.826
1.826
Koji Uehara
Careerverified
Per 9 Inningsverified
0.89
0.89
Mark Mercer
Career
Per 9 Inningsverified
29
34.04
Koji Uehara
Careerverified
Per 9 Innings
1760
32.95
Mark Mercer
Career
Per 9 Innings
0.57
0.57
Koji Uehara
Careerverified
Per 9 Inningsverified
0.35
0.35
Mark Mercer
Career
Per 9 Innings
0.3
0.3
Koji Uehara
Careerverified
Per 9 Inningsverified
0.257
0.257
Mark Mercer
Careerverified
Per 9 Inningsverified
42.26
42.26
Koji Uehara
Career
Per 9 Innings
34.86
34.86

Fielding Stats for Mark Mercer and Koji Uehara

Mark Mercer
Career
Per 9 Innings
1
1
Koji Uehara
Careerverified
Per 9 Inningsverified
9
9
Mark Mercer
Career
Per 9 Inningsverified
7
8.22
Koji Uehara
Careerverified
Per 9 Innings
436
8.16
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
12
0.22
Mark Mercer
Career
Per 9 Innings
23
27
Koji Uehara
Careerverified
Per 9 Innings
1442
27
Mark Mercer
Career
Per 9 Innings
7.2
9
Koji Uehara
Careerverified
Per 9 Innings
480.2
9
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
16
0.3
Mark Mercer
Career
Per 9 Inningsverified
2
2.35
Koji Uehara
Careerverified
Per 9 Innings
38
0.71
Mark Mercer
Careerverified
Per 9 Inningsverified
0
0
Koji Uehara
Career
Per 9 Innings
2
0.04
Mark Mercer
Career
Per 9 Inningsverified
2
2.35
Koji Uehara
Careerverified
Per 9 Innings
56
1.05
Mark Mercer
Career
Per 9 Inningsverified
2
2.35
Koji Uehara
Careerverified
Per 9 Innings
54
1.01
Mark Mercer
Careerverified
Per 9 Inningsverified
100
100
Koji Uehara
Career
Per 9 Innings
96.43
96.43
Mark Mercer
Careerverified
Per 9 Inningsverified
0.286
0.286
Koji Uehara
Career
Per 9 Innings
0.124
0.124
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
2.75
2.75
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Careerverified
Per 9 Inningsverified
1
0.02
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0
Mark Mercer
Career
Per 9 Innings
0
0
Koji Uehara
Career
Per 9 Innings
0
0

Hitting Stats for Mark Mercer and Koji Uehara

Mark Mercer
Career
Per 600 PA
1
Koji Uehara
Careerverified
Per 600 PAverified
9
9
Mark Mercer
Career
Per 600 PA
7
Koji Uehara
Careerverified
Per 600 PAverified
436
87200
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Careerverified
Per 600 PAverified
3
600
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Careerverified
Per 600 PAverified
2
400
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.5
0.5
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.05
10.43
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Careerverified
Per 600 PAverified
1
200
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.333
0.333
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.333
0.333
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.15
0.15
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.5
0.5
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
0.11
21.85
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Careerverified
Per 600 PAverified
1
200
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Careerverified
Per 600 PAverified
0
Koji Uehara
Career
Per 600 PA
1
200
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
3
3
Mark Mercer
Career
Per 600 PA
Koji Uehara
Careerverified
Per 600 PAverified
1
1
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
0
Koji Uehara
Career
Per 600 PA
0
0
Mark Mercer
Career
Per 600 PA
Koji Uehara
Career
Per 600 PA