Leo Mangum vs. Fernando Valenzuela — Career Comparison

Leo Mangum
Lost GenerationNorth CarolinaThrows RightBats RightNorth AmericaBoston BravesNational LeagueRelief Pitcher
Fernando Valenzuela
Baby BoomersMexicoThrows LeftBats LeftNorth AmericaLos Angeles DodgersNational LeagueStarting PitcherGold GloveCy Young AwardSilver SluggerRookie of the YearAll-Star

Fernando Valenzuela built a career as a starting pitcher and Leo Mangum as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Fernando Valenzuela posted stronger surface numbers — ERA 3.54 and WHIP 1.343 compared to 5.37 and 1.606 for Leo Mangum. By the career numbers, Fernando Valenzuela had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Leo Mangum and Fernando Valenzuela

Leo Mangum
Career
Per 9 Innings
7
7
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
17
17
Leo Mangum
Career
Per 9 Inningsverified
85
2.96
Fernando Valenzuela
Careerverified
Per 9 Innings
453
1.39
Leo Mangum
Career
Per 9 Innings
16
0.56
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
424
1.3
Leo Mangum
Career
Per 9 Innings
11
0.38
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
173
0.53
Leo Mangum
Careerverified
Per 9 Inningsverified
10
0.35
Fernando Valenzuela
Career
Per 9 Innings
153
0.47
Leo Mangum
Career
Per 9 Innings
52.38
52.38
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
53.07
53.07
Leo Mangum
Career
Per 9 Innings
18.82
18.82
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
93.6
93.6
Leo Mangum
Career
Per 9 Innings
4
0.14
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
113
0.35
Leo Mangum
Career
Per 9 Innings
1
0.03
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
31
0.1
Leo Mangum
Career
Per 9 Inningsverified
1
0.03
Fernando Valenzuela
Careerverified
Per 9 Innings
2
0.01
Leo Mangum
Careerverified
Per 9 Innings
154
5.37
Fernando Valenzuela
Career
Per 9 Inningsverified
1154
3.54
Leo Mangum
Career
Per 9 Innings
5.37
5.37
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
3.54
3.54
Leo Mangum
Career
Per 9 Innings
5.1
5.1
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
3.5
3.5
Leo Mangum
Career
Per 9 Innings
4
4
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
3.79
3.79
Leo Mangum
Career
Per 9 Innings
0.31
0.31
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
0.248
0.248
Leo Mangum
Career
Per 9 Innings
775
27
Fernando Valenzuela
Careerverified
Per 9 Innings
8790
27
Leo Mangum
Career
Per 9 Innings
258.1
9
Fernando Valenzuela
Careerverified
Per 9 Innings
2930
9
Leo Mangum
Careerverified
Per 9 Innings
343
11.95
Fernando Valenzuela
Career
Per 9 Inningsverified
2718
8.35
Leo Mangum
Career
Per 9 Innings
11.95
11.95
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
8.35
8.35
Leo Mangum
Careerverified
Per 9 Inningsverified
15
0.52
Fernando Valenzuela
Career
Per 9 Innings
226
0.69
Leo Mangum
Careerverified
Per 9 Inningsverified
0.52
0.52
Fernando Valenzuela
Career
Per 9 Innings
0.69
0.69
Leo Mangum
Careerverified
Per 9 Inningsverified
0.18
0.18
Fernando Valenzuela
Career
Per 9 Innings
0.5
0.5
Leo Mangum
Careerverified
Per 9 Inningsverified
72
2.51
Fernando Valenzuela
Career
Per 9 Innings
1151
3.54
Leo Mangum
Careerverified
Per 9 Inningsverified
0
0
Fernando Valenzuela
Career
Per 9 Innings
65
0.2
Leo Mangum
Careerverified
Per 9 Inningsverified
2.51
2.51
Fernando Valenzuela
Career
Per 9 Innings
3.54
3.54
Leo Mangum
Career
Per 9 Innings
78
2.72
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
2074
6.37
Leo Mangum
Career
Per 9 Innings
2.72
2.72
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
6.37
6.37
Leo Mangum
Career
Per 9 Innings
0.92
0.92
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
4.58
4.58
Leo Mangum
Career
Per 9 Innings
0.581
0.581
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
1.101
1.101
Leo Mangum
Careerverified
Per 9 Inningsverified
1
0.03
Fernando Valenzuela
Career
Per 9 Innings
119
0.37
Leo Mangum
Careerverified
Per 9 Inningsverified
1
0.03
Fernando Valenzuela
Career
Per 9 Innings
25
0.08
Leo Mangum
Careerverified
Per 9 Inningsverified
0
0
Fernando Valenzuela
Career
Per 9 Innings
11
0.03
Leo Mangum
Career
Per 9 Inningsverified
1180
41.11
Fernando Valenzuela
Careerverified
Per 9 Innings
12398
38.08
Leo Mangum
Careerverified
Per 9 Inningsverified
29
1.01
Fernando Valenzuela
Career
Per 9 Innings
10
0.03
Leo Mangum
Careerverified
Per 9 Innings
174
6.06
Fernando Valenzuela
Career
Per 9 Inningsverified
1303
4
Leo Mangum
Career
Per 9 Innings
6.06
6.06
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
4
4
Leo Mangum
Careerverified
Per 9 Inningsverified
0
0
Fernando Valenzuela
Career
Per 9 Innings
182
0.56
Leo Mangum
Careerverified
Per 9 Inningsverified
0
0
Fernando Valenzuela
Career
Per 9 Innings
69
0.21
Leo Mangum
Career
Per 9 Innings
0
0
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
209
0.64
Leo Mangum
Career
Per 9 Innings
1.607
1.607
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
1.321
1.321
Leo Mangum
Career
Per 9 Inningsverified
1107
38.57
Fernando Valenzuela
Careerverified
Per 9 Innings
10971
33.7
Leo Mangum
Careerverified
Per 9 Inningsverified
2.05
2.05
Fernando Valenzuela
Career
Per 9 Innings
2.88
2.88
Leo Mangum
Career
Per 9 Innings
0.324
0.324
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
0.287
0.287
Leo Mangum
Careerverified
Per 9 Inningsverified
41.11
41.11
Fernando Valenzuela
Career
Per 9 Innings
38.08
38.08

Fielding Stats for Leo Mangum and Fernando Valenzuela

Leo Mangum
Career
Per 9 Innings
7
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
17
17
Leo Mangum
Career
Per 9 Innings
85
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
455
1.4
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
424
1.3
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
8798
27
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
2932.2
9
Leo Mangum
Career
Per 9 Innings
9
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
202
0.62
Leo Mangum
Career
Per 9 Innings
77
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
586
1.8
Leo Mangum
Careerverified
Per 9 Inningsverified
3
Fernando Valenzuela
Career
Per 9 Innings
30
0.09
Leo Mangum
Career
Per 9 Innings
89
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
818
2.51
Leo Mangum
Career
Per 9 Innings
86
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
788
2.42
Leo Mangum
Careerverified
Per 9 Innings
96.63
Fernando Valenzuela
Career
Per 9 Inningsverified
96.33
96.33
Leo Mangum
Career
Per 9 Innings
1.012
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
1.732
1.732
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
93.19
93.19
Leo Mangum
Career
Per 9 Innings
8
Fernando Valenzuela
Careerverified
Per 9 Inningsverified
31
0.1
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Career
Per 9 Innings
0
0
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Career
Per 9 Innings
0
0
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Career
Per 9 Innings
0
0
Leo Mangum
Career
Per 9 Innings
0
Fernando Valenzuela
Career
Per 9 Innings
0
0

Hitting Stats for Leo Mangum and Fernando Valenzuela

Leo Mangum
Career
Per 600 PA
7
7
Fernando Valenzuela
Careerverified
Per 600 PAverified
17
17
Leo Mangum
Career
Per 600 PAverified
85
629.63
Fernando Valenzuela
Careerverified
Per 600 PA
474
272.67
Leo Mangum
Career
Per 600 PA
81
600
Fernando Valenzuela
Careerverified
Per 600 PA
1043
600
Leo Mangum
Career
Per 600 PAverified
75
555.56
Fernando Valenzuela
Careerverified
Per 600 PA
936
538.45
Leo Mangum
Career
Per 600 PA
0.2
0.2
Fernando Valenzuela
Career
Per 600 PA
0.2
0.2
Leo Mangum
Career
Per 600 PA
0.494
0.494
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.52
0.52
Leo Mangum
Career
Per 600 PAverified
15
111.11
Fernando Valenzuela
Careerverified
Per 600 PA
187
107.57
Leo Mangum
Career
Per 600 PAverified
14
103.7
Fernando Valenzuela
Careerverified
Per 600 PA
150
86.29
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
26
14.96
Leo Mangum
Career
Per 600 PAverified
1
7.41
Fernando Valenzuela
Career
Per 600 PA
1
0.58
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
10
5.75
Leo Mangum
Career
Per 600 PA
1
7.41
Fernando Valenzuela
Careerverified
Per 600 PAverified
37
21.28
Leo Mangum
Career
Per 600 PA
0.067
0.067
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.198
0.198
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.011
0.011
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.054
0.054
Leo Mangum
Career
Per 600 PA
3.65
27.03
Fernando Valenzuela
Careerverified
Per 600 PAverified
49.61
28.54
Leo Mangum
Career
Per 600 PA
17
125.93
Fernando Valenzuela
Careerverified
Per 600 PAverified
245
140.94
Leo Mangum
Career
Per 600 PAverified
19
140.74
Fernando Valenzuela
Careerverified
Per 600 PA
195
112.18
Leo Mangum
Careerverified
Per 600 PAverified
0.241
0.241
Fernando Valenzuela
Career
Per 600 PA
0.205
0.205
Leo Mangum
Career
Per 600 PA
0.227
0.227
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.262
0.262
Leo Mangum
Career
Per 600 PA
0.467
0.467
Fernando Valenzuela
Career
Per 600 PA
0.467
0.467
Leo Mangum
Career
Per 600 PA
0.027
0.027
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.062
0.062
Leo Mangum
Careerverified
Per 600 PAverified
0.165
0.165
Fernando Valenzuela
Career
Per 600 PA
0.158
0.158
Leo Mangum
Careerverified
Per 600 PAverified
0.339
0.339
Fernando Valenzuela
Career
Per 600 PA
0.332
0.332
Leo Mangum
Career
Per 600 PA
0.224
0.224
Fernando Valenzuela
Careerverified
Per 600 PAverified
0.225
0.225
Leo Mangum
Career
Per 600 PAverified
7
51.85
Fernando Valenzuela
Careerverified
Per 600 PA
56
32.21
Leo Mangum
Career
Per 600 PA
3
22.22
Fernando Valenzuela
Careerverified
Per 600 PAverified
84
48.32
Leo Mangum
Career
Per 600 PA
10
74.07
Fernando Valenzuela
Careerverified
Per 600 PAverified
130
74.78
Leo Mangum
Career
Per 600 PAverified
4.05
29.97
Fernando Valenzuela
Careerverified
Per 600 PA
46.68
26.85
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Career
Per 600 PA
0
0
Leo Mangum
Career
Per 600 PAverified
4
29.63
Fernando Valenzuela
Careerverified
Per 600 PA
8
4.6
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Career
Per 600 PA
0
0
Leo Mangum
Careerverified
Per 600 PAverified
8
59.26
Fernando Valenzuela
Career
Per 600 PA
145
83.41
Leo Mangum
Careerverified
Per 600 PAverified
10.13
10.13
Fernando Valenzuela
Career
Per 600 PA
7.19
7.19
Leo Mangum
Careerverified
Per 600 PAverified
0.5
0.5
Fernando Valenzuela
Career
Per 600 PA
0.06
0.06
Leo Mangum
Career
Per 600 PA
2
14.81
Fernando Valenzuela
Careerverified
Per 600 PAverified
93
53.5
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
6
3.45
Leo Mangum
Careerverified
Per 600 PA
2
14.81
Fernando Valenzuela
Career
Per 600 PAverified
12
6.9
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Career
Per 600 PA
0
0
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
2
1.15
Leo Mangum
Career
Per 600 PA
0
0
Fernando Valenzuela
Careerverified
Per 600 PAverified
2
1.15
Leo Mangum
Career
Per 600 PA
Fernando Valenzuela
Career
Per 600 PA
0
0