Baseball Player Won-Loss Records
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This Date in History
This Date in History: May 15, 2026

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Positional Average (Weighted Avg of Options): 0.500 (1-Year) (9-Year) (Long-Run)

Positional Averages for Pitchers (Wgted Avg of Options): 0.500 vs. Different Values for Starting vs. Relief Pitchers: (Empirical) (Based on Pitchers who Do Both)
Players Born on This Date in History
(sorted by pWORL)


Player Age Debut Games pWins pLosses pWOPA pWORL eWins eLosses eWOPA eWORL
John Smoltz591988
735
238.8201.849.6
78.3
237.3203.249.077.6
George Brett731973
2706
327.7275.944.4
74.9
325.2278.440.070.5
Josh Beckett462001
335
122.2114.313.1
28.7
123.3113.215.631.3
Michael Brantley392009
1199
153.0139.79.8
24.3
150.0142.83.618.1
Justin Morneau452003
1545
167.4150.05.9
21.8
166.9150.45.120.9
Billy North781971
1169
140.3130.35.6
18.9
139.5131.24.117.4
Brian Dozier392012
1137
137.8137.33.4
16.7
140.3134.88.521.8
Al McBean881961
425
61.756.66.9
15.6
60.058.34.012.7
Rick Waits741973
329
78.380.1-1.2
9.5
79.379.10.411.1
Leo Nunez442005
349
24.921.62.7
7.0
23.622.9-0.04.3
Joe Evans1311915
547
51.348.90.7
5.9
49.051.1-3.91.3
Hideki Irabu571997
126
32.634.3-1.1
3.7
31.535.4-3.41.4
Ed Wright1071945
101
20.921.80.3
3.1
20.821.90.02.9
Steve Woodard511997
162
35.840.3-2.4
2.7
37.438.80.96.0
Tyler Walker502002
286
16.016.1-0.5
2.5
16.215.9-0.13.0
Alex Verdugo302017
157
14.112.71.0
2.4
13.613.1-0.01.4
Fred Baczewski1001953
63
18.019.3-0.5
2.0
17.320.0-1.31.2
Eric DuBose502002
52
11.613.3-1.5
0.3
12.212.6-0.31.5
Chet Falk1211925
30
1.82.0-0.1
0.2
1.72.0-0.10.2
Scott Watkins561995
27
1.11.2-0.1
0.1
1.21.10.10.3
Guillermo Rodriguez482007
46
2.52.9-0.3
0.0
2.62.8-0.10.2
Sam Fishburn1331919
3
0.00.00.0
0.0
0.00.00.00.0
Jason Karnuth502001
7
0.10.1-0.0
-0.0
0.10.1-0.1-0.0
Graham Koonce512003
6
0.00.1-0.1
-0.1
0.00.1-0.0-0.0
Howie Storie1151931
12
0.30.4-0.2
-0.1
0.30.5-0.2-0.2
J. Harry Smith1361914
14
0.60.9-0.3
-0.2
0.60.9-0.3-0.2
Isidro Marquez611995
7
0.10.4-0.3
-0.2
0.20.3-0.1-0.1
Sailor Stroud1411910
9
1.52.0-0.5
-0.2
1.71.8-0.10.2
David Adams392013
43
3.44.0-0.6
-0.3
3.34.1-0.8-0.5
Claude Thomas1361916
3
0.30.7-0.3
-0.3
0.50.5-0.00.1
A.J. Hinch521998
350
18.722.7-2.4
-0.3
18.722.7-2.3-0.2
Steve Yerkes1381909
40
3.64.4-0.8
-0.3
3.84.2-0.5-0.0
Clint Sammons432007
31
1.11.7-0.5
-0.3
1.01.8-0.7-0.5
Everett Teaford422011
49
3.95.2-1.3
-0.5
4.44.8-0.70.1
Rafael Ortega352012
143
11.713.2-1.9
-0.7
11.413.4-2.5-1.2
Ed Baecht1191926
61
4.46.1-1.4
-0.7
4.75.8-0.9-0.1
Jim C. Adduci412013
150
9.811.3-1.9
-0.8
9.911.2-1.7-0.6
Dale Matthewson1031943
29
1.02.2-1.2
-1.0
1.51.7-0.10.2
Trevor Richards332018
56
15.220.2-3.6
-1.2
16.419.0-1.51.0
Clayton Andrews482000
8
0.72.2-1.5
-1.3
1.01.9-0.8-0.6
Jimmy Smith1311914
182
14.919.1-4.0
-2.3
15.718.3-2.3-0.6
Steve Dunning771970
145
33.945.3-9.8
-4.8
34.944.3-7.7-2.8
Jimmy Wasdell1121937
888
86.394.0-14.9
-5.5
88.891.5-9.30.1
Brandon Barnes402012
484
32.340.8-9.8
-6.2
35.237.8-3.60.0


Players Who Debuted on This Date in History
(sorted by pWORL)


Player Debut Age Games pWins pLosses pWOPA pWORL eWins eLosses eWOPA eWORL
Roger Clemens198421
709
316.9228.694.6
131.3
314.8230.790.6127.2
Kevin Youkilis200425
1060
121.396.820.3
30.7
118.999.215.425.8
Jon Lieber199424
405
132.5131.310.3
27.3
134.0129.814.131.1
Jacob deGrom201425
183
73.161.517.4
26.1
75.659.022.831.4
Ryan Franklin199926
532
67.469.5-2.2
8.7
66.170.9-4.86.2
Eric King198622
203
47.345.52.0
8.5
47.645.22.79.2
Jacob Diekman201225
441
23.620.92.0
6.3
23.521.11.76.0
Jesus Aguilar201423
448
32.627.63.1
6.2
31.628.60.94.0
Ted Gray194621
228
68.677.2-5.2
4.1
68.877.0-4.34.9
Johnny Estrada200124
612
48.151.5-0.9
3.9
46.353.2-4.30.5
Hank Severeid191119
729
60.265.3-3.0
3.4
61.464.1-0.75.8
Tony Fossas198830
567
18.819.2-0.9
2.6
19.119.0-0.43.1
Austin Riley201922
80
9.57.81.3
2.2
8.68.7-0.60.3
Nick Green200425
418
31.132.8-0.9
2.2
29.934.1-3.5-0.4
Chuck Aleno194124
118
10.49.60.6
1.6
9.710.3-1.1-0.0
Casper Wells201025
277
21.221.0-0.5
1.6
22.020.21.13.2
Chase Whitley201424
75
8.28.20.1
1.4
8.08.4-0.40.9
Jesse Litsch200722
88
23.225.7-2.2
1.3
24.124.8-0.33.1
L. Javy Guerra201125
252
12.513.4-1.3
1.2
13.412.60.42.9
Steve Scarsone199226
350
21.423.2-1.7
0.5
22.222.4-0.12.2
Jon Shave199325
79
4.54.60.0
0.5
4.44.8-0.40.1
Chris Nichting199529
92
3.43.8-0.5
0.2
3.43.8-0.40.2
Erik Bennett199526
25
0.90.9-0.0
0.1
0.71.0-0.3-0.2
Brett Marshall201323
3
0.20.2-0.0
0.0
0.10.2-0.1-0.1
Tom A. Sullivan192226
3
0.10.1-0.0
0.0
0.10.2-0.0-0.0
Gene Ratliff196519
4
0.00.0-0.0
-0.0
0.00.0-0.0-0.0
Bill F. Webb194329
1
0.00.0-0.0
-0.0
0.00.0-0.0-0.0
Clem Clemens191427
8
0.20.3-0.1
-0.1
0.10.4-0.2-0.2
Garey Ingram199423
81
3.74.3-0.6
-0.2
3.74.3-0.4-0.0
Grady Wilson194825
12
0.10.3-0.2
-0.2
0.20.3-0.1-0.0
David Adams201325
43
3.44.0-0.6
-0.3
3.34.1-0.8-0.5
Jared Walsh201925
34
1.51.9-0.4
-0.3
1.61.8-0.3-0.1
Cliff Bartosh200424
53
1.01.5-0.5
-0.3
1.01.5-0.5-0.3
Byron Houck191220
9
0.91.6-0.6
-0.4
1.11.3-0.2-0.1
Shaun Anderson201924
28
5.47.1-1.3
-0.4
5.37.2-1.5-0.6
Jack Dilauro196926
66
2.94.0-1.0
-0.5
3.53.40.10.7
Don Buschhorn196519
13
0.61.2-0.6
-0.5
0.71.0-0.3-0.2
Pete Filson198223
148
16.920.1-3.3
-0.5
17.719.3-1.71.1
Pedro Valdes199622
52
1.82.6-0.7
-0.5
2.02.4-0.5-0.3
Allen McDill199725
38
0.61.5-0.9
-0.7
0.91.3-0.5-0.3
Jerry Goff199026
89
4.56.0-1.3
-0.8
4.85.7-0.7-0.2
Lucas French200923
31
8.911.2-2.2
-0.9
9.111.0-1.8-0.4
Alex Hinshaw200825
90
1.83.2-1.4
-0.9
2.32.7-0.5-0.1
Pete Redfern197621
171
39.146.1-6.7
-0.9
40.944.2-3.12.7
Bryan Stephens194726
74
10.013.2-2.7
-0.9
10.712.5-1.30.5
Paul Strand191319
27
2.13.3-1.3
-1.1
2.42.9-0.6-0.4
Scott Dohmann200426
164
6.79.1-2.6
-1.1
7.48.4-1.10.4
Elian Herrera201227
223
15.718.2-2.9
-1.2
16.417.5-1.50.2
Tom Borland196027
27
2.03.9-1.8
-1.4
2.63.3-0.5-0.0
Lyle Luttrell195626
57
4.16.9-2.6
-2.0
4.86.2-1.2-0.6
Todd Wellemeyer200324
211
32.241.5-7.5
-2.3
32.341.5-7.1-1.9
Garrett Jones200725
907
84.188.0-10.9
-2.5
87.184.9-4.63.8
Cliff W. Lee191922
451
37.042.5-7.5
-3.4
39.140.4-3.30.8




All articles are written so that they pull data directly from the most recent version of the Player won-lost database. Hence, any numbers cited within these articles should automatically incorporate the most recent update to Player won-lost records. In some cases, however, the accompanying text may have been written based on previous versions of Player won-lost records. I apologize if this results in non-sensical text in any cases.

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