Willie Jensen vs. Ron Mrozinski — Career Comparison

Willie Jensen
Lost GenerationPennsylvaniaThrows RightBats LeftNorth AmericaDetroit TigersAmerican LeagueStarting Pitcher
Ron Mrozinski
Silent GenerationPennsylvaniaThrows LeftBats RightNorth AmericaPhiladelphia PhilliesNational LeagueRelief Pitcher

Willie Jensen built a career as a starting pitcher and Ron Mrozinski as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Willie Jensen posted stronger surface numbers — ERA 3.64 and WHIP 1.667 compared to 5.36 and 1.615 for Ron Mrozinski. By the career numbers, Willie Jensen had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Willie Jensen and Ron Mrozinski

Willie Jensen
Career
Per 9 Innings
2
2
Ron Mrozinski
Career
Per 9 Innings
2
2
Willie Jensen
Career
Per 9 Innings
6
1.29
Ron Mrozinski
Careerverified
Per 9 Inningsverified
37
4.04
Willie Jensen
Career
Per 9 Inningsverified
5
1.07
Ron Mrozinski
Career
Per 9 Innings
5
0.55
Willie Jensen
Career
Per 9 Inningsverified
1
0.21
Ron Mrozinski
Career
Per 9 Innings
1
0.11
Willie Jensen
Career
Per 9 Innings
3
0.64
Ron Mrozinski
Career
Per 9 Inningsverified
3
0.33
Willie Jensen
Career
Per 9 Innings
25
25
Ron Mrozinski
Career
Per 9 Innings
25
25
Willie Jensen
Careerverified
Per 9 Inningsverified
83.33
83.33
Ron Mrozinski
Career
Per 9 Innings
13.51
13.51
Willie Jensen
Careerverified
Per 9 Inningsverified
2
0.43
Ron Mrozinski
Career
Per 9 Innings
1
0.11
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1
0.11
Willie Jensen
Careerverified
Per 9 Inningsverified
17
3.64
Ron Mrozinski
Career
Per 9 Innings
49
5.36
Willie Jensen
Careerverified
Per 9 Inningsverified
3.64
3.64
Ron Mrozinski
Career
Per 9 Innings
5.36
5.36
Willie Jensen
Career
Per 9 Innings
7.32
7.32
Ron Mrozinski
Careerverified
Per 9 Inningsverified
5.51
5.51
Willie Jensen
Careerverified
Per 9 Inningsverified
4.76
4.76
Ron Mrozinski
Career
Per 9 Innings
5.57
5.57
Willie Jensen
Career
Per 9 Innings
0.413
0.413
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0.27
0.27
Willie Jensen
Career
Per 9 Innings
126
27
Ron Mrozinski
Careerverified
Per 9 Innings
247
27
Willie Jensen
Career
Per 9 Innings
42
9
Ron Mrozinski
Careerverified
Per 9 Innings
82.1
9
Willie Jensen
Careerverified
Per 9 Innings
50
10.71
Ron Mrozinski
Career
Per 9 Inningsverified
87
9.51
Willie Jensen
Career
Per 9 Innings
10.71
10.71
Ron Mrozinski
Careerverified
Per 9 Inningsverified
9.51
9.51
Willie Jensen
Careerverified
Per 9 Inningsverified
2
0.43
Ron Mrozinski
Career
Per 9 Innings
12
1.31
Willie Jensen
Careerverified
Per 9 Inningsverified
0.43
0.43
Ron Mrozinski
Career
Per 9 Innings
1.31
1.31
Willie Jensen
Career
Per 9 Innings
0.33
0.33
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0.32
0.32
Willie Jensen
Careerverified
Per 9 Inningsverified
20
4.29
Ron Mrozinski
Career
Per 9 Innings
44
4.81
Willie Jensen
Careerverified
Per 9 Inningsverified
0
0
Ron Mrozinski
Career
Per 9 Innings
2
0.22
Willie Jensen
Careerverified
Per 9 Inningsverified
4.29
4.29
Ron Mrozinski
Career
Per 9 Innings
4.81
4.81
Willie Jensen
Career
Per 9 Innings
9
1.93
Ron Mrozinski
Careerverified
Per 9 Inningsverified
44
4.81
Willie Jensen
Career
Per 9 Innings
1.93
1.93
Ron Mrozinski
Careerverified
Per 9 Inningsverified
4.81
4.81
Willie Jensen
Careerverified
Per 9 Inningsverified
1.5
1.5
Ron Mrozinski
Career
Per 9 Innings
1.19
1.19
Willie Jensen
Career
Per 9 Innings
0.691
0.691
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1.069
1.069
Willie Jensen
Careerverified
Per 9 Inningsverified
1
0.21
Ron Mrozinski
Career
Per 9 Innings
2
0.22
Willie Jensen
Careerverified
Per 9 Inningsverified
2
0.43
Ron Mrozinski
Career
Per 9 Innings
4
0.44
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
143
30.64
Ron Mrozinski
Careerverified
Per 9 Inningsverified
370
40.45
Willie Jensen
Career
Per 9 Innings
1
0.21
Ron Mrozinski
Careerverified
Per 9 Inningsverified
17
1.86
Willie Jensen
Careerverified
Per 9 Inningsverified
19
4.07
Ron Mrozinski
Career
Per 9 Innings
52
5.68
Willie Jensen
Careerverified
Per 9 Inningsverified
4.07
4.07
Ron Mrozinski
Career
Per 9 Innings
5.68
5.68
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
1.667
1.667
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1.591
1.591
Willie Jensen
Career
Per 9 Innings
121
25.93
Ron Mrozinski
Careerverified
Per 9 Inningsverified
322
35.2
Willie Jensen
Career
Per 9 Innings
3.17
3.17
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1.41
1.41
Willie Jensen
Career
Per 9 Innings
0.436
0.436
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0.282
0.282
Willie Jensen
Career
Per 9 Innings
30.64
30.64
Ron Mrozinski
Careerverified
Per 9 Inningsverified
40.45
40.45

Fielding Stats for Willie Jensen and Ron Mrozinski

Willie Jensen
Career
Per 9 Innings
2
Ron Mrozinski
Career
Per 9 Inningsverified
2
2
Willie Jensen
Career
Per 9 Innings
6
Ron Mrozinski
Careerverified
Per 9 Inningsverified
37
4.04
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
5
0.55
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
247
27
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
82.1
9
Willie Jensen
Career
Per 9 Innings
1
Ron Mrozinski
Careerverified
Per 9 Inningsverified
3
0.33
Willie Jensen
Careerverified
Per 9 Innings
12
Ron Mrozinski
Career
Per 9 Inningsverified
8
0.87
Willie Jensen
Career
Per 9 Inningsverified
1
Ron Mrozinski
Career
Per 9 Innings
1
0.11
Willie Jensen
Careerverified
Per 9 Innings
14
Ron Mrozinski
Career
Per 9 Inningsverified
12
1.31
Willie Jensen
Careerverified
Per 9 Innings
13
Ron Mrozinski
Career
Per 9 Inningsverified
11
1.2
Willie Jensen
Careerverified
Per 9 Innings
92.86
Ron Mrozinski
Career
Per 9 Inningsverified
91.67
91.67
Willie Jensen
Careerverified
Per 9 Innings
2.167
Ron Mrozinski
Career
Per 9 Inningsverified
0.297
0.297
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
13.51
13.51
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
3
0.33
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Willie Jensen
Career
Per 9 Innings
0
Ron Mrozinski
Career
Per 9 Innings
0
0

Hitting Stats for Willie Jensen and Ron Mrozinski

Willie Jensen
Career
Per 600 PA
2
2
Ron Mrozinski
Career
Per 600 PA
2
2
Willie Jensen
Career
Per 600 PA
6
257.14
Ron Mrozinski
Careerverified
Per 600 PAverified
37
1233.33
Willie Jensen
Career
Per 600 PA
14
600
Ron Mrozinski
Careerverified
Per 600 PA
18
600
Willie Jensen
Career
Per 600 PAverified
13
557.14
Ron Mrozinski
Careerverified
Per 600 PA
16
533.33
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
0.063
0.063
Willie Jensen
Career
Per 600 PA
0.107
0.107
Ron Mrozinski
Careerverified
Per 600 PAverified
0.222
0.222
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
1
33.33
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
1
33.33
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Careerverified
Per 600 PAverified
0.01
0.36
Ron Mrozinski
Career
Per 600 PA
-0.01
-0.23
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
1
33.33
Willie Jensen
Career
Per 600 PAverified
1
42.86
Ron Mrozinski
Career
Per 600 PA
1
33.33
Willie Jensen
Careerverified
Per 600 PAverified
0.071
0.071
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
0.063
0.063
Willie Jensen
Career
Per 600 PA
0.071
0.071
Ron Mrozinski
Careerverified
Per 600 PAverified
0.125
0.125
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0.032
0.032
Ron Mrozinski
Careerverified
Per 600 PAverified
0.044
0.044
Willie Jensen
Careerverified
Per 600 PAverified
0.077
0.077
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
0.167
0.167
Willie Jensen
Careerverified
Per 600 PAverified
1
42.86
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Careerverified
Per 600 PAverified
1
42.86
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Careerverified
Per 600 PA
-1.1
-47.01
Ron Mrozinski
Career
Per 600 PAverified
-1.31
-43.7
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Careerverified
Per 600 PAverified
1
42.86
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
10
428.57
Ron Mrozinski
Career
Per 600 PAverified
10
333.33
Willie Jensen
Career
Per 600 PA
1.4
1.4
Ron Mrozinski
Careerverified
Per 600 PAverified
1.8
1.8
Willie Jensen
Careerverified
Per 600 PAverified
0.1
0.1
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
2
66.67
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Careerverified
Per 600 PAverified
0
0
Ron Mrozinski
Career
Per 600 PA
1
33.33
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Willie Jensen
Career
Per 600 PA
Ron Mrozinski
Career
Per 600 PA