69 MLB Players debut on June 15
| # | Player | debut Date |
|---|---|---|
| 1. | Dario Agrazal | 6/15/2019 |
| 2. | Horace Allen | 6/15/1919 |
| 3. | Mike Bacsik | 6/15/1975 |
| 4. | Jimmy Bannon | 6/15/1893 |
| 5. | Charlie Berry | 6/15/1925 |
| 6. | Chad Billingsley | 6/15/2006 |
| 7. | Rick Bladt | 6/15/1969 |
| 8. | Bert Blue | 6/15/1908 |
| 9. | Dick Brodowski | 6/15/1952 |
| 10. | Brant Brown | 6/15/1996 |
| 11. | Matt Chapman | 6/15/2017 |
| 12. | Josh Clarke | 6/15/1898 |
| 13. | Tony Cloninger | 6/15/1961 |
| 14. | Joe Connell | 6/15/1926 |
| 15. | Brandon Cumpton | 6/15/2013 |
| 16. | Boots Day | 6/15/1969 |
| 17. | Zach Day | 6/15/2002 |
| 18. | Dave Dravecky | 6/15/1982 |
| 19. | Doc Farrell | 6/15/1925 |
| 20. | Darcy Fast | 6/15/1968 |
| 21. | Charles Fisher | 6/15/1889 |
| 22. | Gussie Gannon | 6/15/1895 |
| 23. | Mike Gaule | 6/15/1889 |
| 24. | Lou Gehrig | 6/15/1923 |
| 25. | Caleb Gindl | 6/15/2013 |
| 26. | Dave Gregg | 6/15/1913 |
| 27. | Jim Halpin | 6/15/1882 |
| 28. | Chase Headley | 6/15/2007 |
| 29. | Rich Hill | 6/15/2005 |
| 30. | Ron Jackson | 6/15/1954 |
| 31. | Footer Johnson | 6/15/1958 |
| 32. | Matt Kata | 6/15/2003 |
| 33. | Sun-Woo Kim | 6/15/2001 |
| 34. | Wayne Krenchicki | 6/15/1979 |
| 35. | Ed Lagger | 6/15/1934 |
| 36. | Jason LaRue | 6/15/1999 |
| 37. | Jonathan Loaisiga | 6/15/2018 |
| 38. | Dave Martinez | 6/15/1986 |
| 39. | Harry McCaffery | 6/15/1882 |
| 40. | Bill McCaffrey | 6/15/1885 |
| 41. | McGovern | 6/15/1874 |
| 42. | Kevin Morgan | 6/15/1997 |
| 43. | Jeff Mutis | 6/15/1991 |
| 44. | Don Newhauser | 6/15/1972 |
| 45. | Alexi Ogando | 6/15/2010 |
| 46. | Javier Ortiz | 6/15/1990 |
| 47. | Jeff Plympton | 6/15/1991 |
| 48. | Jim Poole | 6/15/1990 |
| 49. | Mike Remlinger | 6/15/1991 |
| 50. | Leo Rosales | 6/15/2008 |
| 51. | Buster Ross | 6/15/1924 |
| 52. | Ben Rowen | 6/15/2014 |
| 53. | Alex Sanchez | 6/15/2001 |
| 54. | Marshall Scott | 6/15/1945 |
| 55. | Norm Siebern | 6/15/1956 |
| 56. | Jordan Smith | 6/15/2010 |
| 57. | John Stafford | 6/15/1893 |
| 58. | Phil Stockman | 6/15/2006 |
| 59. | Zack Taylor | 6/15/1920 |
| 60. | John Traffley | 6/15/1889 |
| 61. | Jose Trevino | 6/15/2018 |
| 62. | Mario Valdez | 6/15/1997 |
| 63. | Ismael Valdez | 6/15/1994 |
| 64. | Dave Van Gorder | 6/15/1982 |
| 65. | Elih Villanueva | 6/15/2011 |
| 66. | George Winter | 6/15/1901 |
| 67. | Clyde Wright | 6/15/1966 |
| 68. | Yats Wuestling | 6/15/1929 |
| 69. | Marvell Wynne | 6/15/1983 |
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