89 MLB Players debut on June 30
| # | Player | debut Date |
|---|---|---|
| 1. | Willie Adams | 6/30/1912 |
| 2. | Aaron Ashby | 6/30/2021 |
| 3. | Willians Astudillo | 6/30/2018 |
| 4. | Harvey Bailey | 6/30/1899 |
| 5. | Matthew Batten | 6/30/2022 |
| 6. | Omar Beltre | 6/30/2010 |
| 7. | Larry Boerner | 6/30/1932 |
| 8. | Bill Bordley | 6/30/1980 |
| 9. | Bill Breckinridge | 6/30/1929 |
| 10. | Jake Brigham | 6/30/2015 |
| 11. | Barret Browning | 6/30/2012 |
| 12. | Jerry Buchek | 6/30/1961 |
| 13. | Bruce Caldwell | 6/30/1928 |
| 14. | John Cangelosi | 6/30/1985 |
| 15. | David Carpenter | 6/30/2011 |
| 16. | Fred Clarke | 6/30/1894 |
| 17. | JD Closser | 6/30/2004 |
| 18. | Narciso Crook | 6/30/2022 |
| 19. | Joe Cunningham | 6/30/1954 |
| 20. | Carlos Diaz | 6/30/1982 |
| 21. | Craig Dingman | 6/30/2000 |
| 22. | Jose Dominguez | 6/30/2013 |
| 23. | Eddie Eayrs | 6/30/1913 |
| 24. | Jacoby Ellsbury | 6/30/2007 |
| 25. | Barry Enright | 6/30/2010 |
| 26. | Charlie Fallon | 6/30/1905 |
| 27. | Ray Fontenot | 6/30/1983 |
| 28. | Earl Francis | 6/30/1960 |
| 29. | Brett Gardner | 6/30/2008 |
| 30. | Charles George | 6/30/1935 |
| 31. | Nick Gorneault | 6/30/2007 |
| 32. | Taylor Gushue | 6/30/2021 |
| 33. | Art Hagan | 6/30/1883 |
| 34. | Andy Hansen | 6/30/1944 |
| 35. | J. A. Happ | 6/30/2007 |
| 36. | Dan Haren | 6/30/2003 |
| 37. | Ryan Hartman | 6/30/2021 |
| 38. | Ty Helfrich | 6/30/1915 |
| 39. | Ed Jurak | 6/30/1982 |
| 40. | Ryan Kelly | 6/30/2015 |
| 41. | Ray Knode | 6/30/1923 |
| 42. | Lee Lacy | 6/30/1972 |
| 43. | Don LeJohn | 6/30/1965 |
| 44. | Dave Lemonds | 6/30/1969 |
| 45. | Ed Lennon | 6/30/1928 |
| 46. | Mike Lieberthal | 6/30/1994 |
| 47. | Pablo Lopez | 6/30/2018 |
| 48. | Alec Marsh | 6/30/2023 |
| 49. | Damaso Marte | 6/30/1999 |
| 50. | Frank Martin | 6/30/1897 |
| 51. | Kid McLaughlin | 6/30/1914 |
| 52. | Don McMahon | 6/30/1957 |
| 53. | Bob Meacham | 6/30/1983 |
| 54. | Victor Mederos | 6/30/2023 |
| 55. | Sam Mertes | 6/30/1896 |
| 56. | Molly Moore | 6/30/1875 |
| 57. | Jeff Newman | 6/30/1976 |
| 58. | Karl Olson | 6/30/1951 |
| 59. | Mike Page | 6/30/1968 |
| 60. | Harrison Peppers | 6/30/1894 |
| 61. | Danny Perez | 6/30/1996 |
| 62. | Marc Pisciotta | 6/30/1997 |
| 63. | Tike Redman | 6/30/2000 |
| 64. | Rich Rodriguez | 6/30/1990 |
| 65. | Jim Rooker | 6/30/1968 |
| 66. | Freddy Sale | 6/30/1924 |
| 67. | Adrian Sanchez | 6/30/2017 |
| 68. | Luke Sewell | 6/30/1921 |
| 69. | Joe Shannon | 6/30/1915 |
| 70. | John Shea | 6/30/1928 |
| 71. | Dan Slania | 6/30/2017 |
| 72. | Mike Smith | 6/30/1989 |
| 73. | John Snyder | 6/30/1998 |
| 74. | Glenn Sparkman | 6/30/2017 |
| 75. | Jack Stansbury | 6/30/1918 |
| 76. | Thomas Szapucki | 6/30/2021 |
| 77. | Jeff Tam | 6/30/1998 |
| 78. | Danny Taylor | 6/30/1926 |
| 79. | Mickey Tettleton | 6/30/1984 |
| 80. | Lewis Thorpe | 6/30/2019 |
| 81. | David Wells | 6/30/1987 |
| 82. | Frank Whitman | 6/30/1946 |
| 83. | Mike Williams | 6/30/1992 |
| 84. | Nick Williams | 6/30/2017 |
| 85. | Wilbur Wood | 6/30/1961 |
| 86. | Dick Wright | 6/30/1915 |
| 87. | Ceylon Wright | 6/30/1916 |
| 88. | Rusty Yarnall | 6/30/1926 |
| 89. | Al Zarilla | 6/30/1943 |
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