78 MLB Players debut on May 14
| # | Player | debut Date |
|---|---|---|
| 1. | Garrett Acton | 5/14/2023 |
| 2. | Walter Anderson | 5/14/1917 |
| 3. | Jose Arredondo | 5/14/2008 |
| 4. | Charlie Bartson | 5/14/1890 |
| 5. | Freddie Benavides | 5/14/1991 |
| 6. | Art Benedict | 5/14/1883 |
| 7. | Cris Carpenter | 5/14/1988 |
| 8. | Ivan Castillo | 5/14/2021 |
| 9. | Tommy Davis | 5/14/1999 |
| 10. | Dennis DeBarr | 5/14/1977 |
| 11. | Anthony DeSclafani | 5/14/2014 |
| 12. | Charlie Dorman | 5/14/1923 |
| 13. | Dave Drew | 5/14/1884 |
| 14. | James Edwards | 5/14/1922 |
| 15. | William Emmerich | 5/14/1945 |
| 16. | Frank Francisco | 5/14/2004 |
| 17. | Emiliano Fruto | 5/14/2006 |
| 18. | Jay Gainer | 5/14/1993 |
| 19. | Danny Gardella | 5/14/1944 |
| 20. | John Gast | 5/14/2013 |
| 21. | Ed Gerner | 5/14/1919 |
| 22. | Fred Graf | 5/14/1913 |
| 23. | Bill Gray | 5/14/1890 |
| 24. | Bill Grevell | 5/14/1919 |
| 25. | Mike Grzanich | 5/14/1998 |
| 26. | Mike Gulan | 5/14/1997 |
| 27. | Buddy Hancken | 5/14/1940 |
| 28. | Eddie Higgins | 5/14/1909 |
| 29. | Palmer Hildebrand | 5/14/1913 |
| 30. | Chuck Hinton | 5/14/1961 |
| 31. | Keston Hiura | 5/14/2019 |
| 32. | Jim Holdsworth | 5/14/1872 |
| 33. | Paul Janish | 5/14/2008 |
| 34. | Tommy Johns | 5/14/1873 |
| 35. | Levin Jones | 5/14/1873 |
| 36. | Dean Kiekhefer | 5/14/2016 |
| 37. | Cole Kimball | 5/14/2011 |
| 38. | Henry Lampe | 5/14/1894 |
| 39. | Bob Larmore | 5/14/1918 |
| 40. | Sandy Leon | 5/14/2012 |
| 41. | Ted Lilly | 5/14/1999 |
| 42. | Nicky Lopez | 5/14/2019 |
| 43. | Garth Mann | 5/14/1944 |
| 44. | Luis Maza | 5/14/2008 |
| 45. | Scott McClain | 5/14/1998 |
| 46. | Oscar Mercado | 5/14/2019 |
| 47. | Mike Milchin | 5/14/1996 |
| 48. | Ed Montague | 5/14/1928 |
| 49. | Rafael Montero | 5/14/2014 |
| 50. | Pete Morris | 5/14/1884 |
| 51. | Bry Nelson | 5/14/2002 |
| 52. | Alan Newman | 5/14/1999 |
| 53. | Marty Pattin | 5/14/1968 |
| 54. | Herb Pennock | 5/14/1912 |
| 55. | Antonio Perez | 5/14/2003 |
| 56. | Yusmeiro Petit | 5/14/2006 |
| 57. | Chris Prieto | 5/14/2005 |
| 58. | Nolan Reimold | 5/14/2009 |
| 59. | Franmil Reyes | 5/14/2018 |
| 60. | Ernie Riles | 5/14/1985 |
| 61. | John Roach | 5/14/1887 |
| 62. | Jae Kuk Ryu | 5/14/2006 |
| 63. | Warwick Saupold | 5/14/2016 |
| 64. | Marty Simpson | 5/14/1873 |
| 65. | Mark Smith | 5/14/1994 |
| 66. | Chris Smith | 5/14/1981 |
| 67. | Layne Somsen | 5/14/2016 |
| 68. | Ryne Stanek | 5/14/2017 |
| 69. | Ed Stratton | 5/14/1873 |
| 70. | Mark Thurmond | 5/14/1983 |
| 71. | Jonathan Van Every | 5/14/2008 |
| 72. | Daryle Ward | 5/14/1998 |
| 73. | Mack Wheat | 5/14/1915 |
| 74. | Woody Williams | 5/14/1993 |
| 75. | Wills | 5/14/1884 |
| 76. | Roy Witherup | 5/14/1906 |
| 77. | Harry Wolter | 5/14/1907 |
| 78. | Fred Wood | 5/14/1884 |
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