75 MLB Players debut on June 12
| # | Player | debut Date |
|---|---|---|
| 1. | Ty Adcock | 6/12/2023 |
| 2. | Rick Aguilera | 6/12/1985 |
| 3. | Tyler Anderson | 6/12/2016 |
| 4. | Gerry Arrigo | 6/12/1961 |
| 5. | Bronson Arroyo | 6/12/2000 |
| 6. | Dave Bennett | 6/12/1964 |
| 7. | Blaine Boyer | 6/12/2005 |
| 8. | Ralph Branca | 6/12/1944 |
| 9. | Andrew Brown | 6/12/2011 |
| 10. | Delos Brown | 6/12/1914 |
| 11. | Cal Browning | 6/12/1960 |
| 12. | Terry Burrows | 6/12/1994 |
| 13. | Rob Butler | 6/12/1993 |
| 14. | Mickey Callaway | 6/12/1999 |
| 15. | Dain Clay | 6/12/1943 |
| 16. | Ed Cotter | 6/12/1926 |
| 17. | Tony Daniels | 6/12/1945 |
| 18. | Kane Davis | 6/12/2000 |
| 19. | Juan Diaz | 6/12/2002 |
| 20. | Paddy Driscoll | 6/12/1917 |
| 21. | Joel Finch | 6/12/1979 |
| 22. | Tom Fitzsimmons | 6/12/1919 |
| 23. | Jack Franklin | 6/12/1944 |
| 24. | Ken Giles | 6/12/2014 |
| 25. | Tom Glass | 6/12/1925 |
| 26. | Purnal Goldy | 6/12/1962 |
| 27. | Mark Grater | 6/12/1991 |
| 28. | Andy Green | 6/12/2004 |
| 29. | Junior Guerra | 6/12/2015 |
| 30. | Mike Hart | 6/12/1980 |
| 31. | Jack Hendricks | 6/12/1902 |
| 32. | Garry Hill | 6/12/1969 |
| 33. | Lloyd Hittle | 6/12/1949 |
| 34. | Joe Horgan | 6/12/2004 |
| 35. | Eric Hurley | 6/12/2008 |
| 36. | Joe Jacques | 6/12/2023 |
| 37. | Bill James | 6/12/1911 |
| 38. | Ricky Karcher | 6/12/2023 |
| 39. | Ted Kennedy | 6/12/1885 |
| 40. | Wes Kingdon | 6/12/1932 |
| 41. | Mike Kinnunen | 6/12/1980 |
| 42. | Charlie Lea | 6/12/1980 |
| 43. | Harvey MacDonald | 6/12/1928 |
| 44. | Ruben Mateo | 6/12/1999 |
| 45. | Sandy McDougal | 6/12/1895 |
| 46. | Daniel Nava | 6/12/2010 |
| 47. | Jhonny Peralta | 6/12/2003 |
| 48. | Andy Pilney | 6/12/1936 |
| 49. | Skip Pitlock | 6/12/1970 |
| 50. | Aaron Poreda | 6/12/2009 |
| 51. | Doc Powers | 6/12/1898 |
| 52. | Roberto Ramirez | 6/12/1998 |
| 53. | Stan Rees | 6/12/1918 |
| 54. | Skipper Roberts | 6/12/1913 |
| 55. | Jordan Romano | 6/12/2019 |
| 56. | Jose Rosado | 6/12/1996 |
| 57. | Luther Roy | 6/12/1924 |
| 58. | Joel Skinner | 6/12/1983 |
| 59. | Kurt Suzuki | 6/12/2007 |
| 60. | Bruce Tanner | 6/12/1985 |
| 61. | Dave Telgheder | 6/12/1993 |
| 62. | Greg Terlecky | 6/12/1975 |
| 63. | Bill Tremel | 6/12/1954 |
| 64. | Bobby Vaughn | 6/12/1909 |
| 65. | Piggy Ward | 6/12/1883 |
| 66. | Mike Warren | 6/12/1983 |
| 67. | Tub Welch | 6/12/1890 |
| 68. | Frank White | 6/12/1973 |
| 69. | Rick Williams | 6/12/1978 |
| 70. | Mason Williams | 6/12/2015 |
| 71. | Chris Withrow | 6/12/2013 |
| 72. | Jordan Yamamoto | 6/12/2019 |
| 73. | Gus Yost | 6/12/1893 |
| 74. | Aneurys Zabala | 6/12/2022 |
| 75. | Mike Zunino | 6/12/2013 |
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