74 MLB Players debut on September 29
| # | Player | debut Date |
|---|---|---|
| 1. | James Atkins | 9/29/1950 |
| 2. | Red Barnes | 9/29/1927 |
| 3. | Joe Batchelder | 9/29/1923 |
| 4. | Roy Beecher | 9/29/1907 |
| 5. | Jay Bell | 9/29/1986 |
| 6. | Christian Bethancourt | 9/29/2013 |
| 7. | Al Bool | 9/29/1928 |
| 8. | Jim Brideweser | 9/29/1951 |
| 9. | Ray Brown | 9/29/1909 |
| 10. | Ron Bryant | 9/29/1967 |
| 11. | Wally Bunker | 9/29/1963 |
| 12. | Harry Camnitz | 9/29/1909 |
| 13. | Roansy Contreras | 9/29/2021 |
| 14. | Clint Courtney | 9/29/1951 |
| 15. | Tom Crooke | 9/29/1909 |
| 16. | Press Cruthers | 9/29/1913 |
| 17. | Kiki Cuyler | 9/29/1921 |
| 18. | Bill Davidson | 9/29/1909 |
| 19. | Joey Dawley | 9/29/2002 |
| 20. | Tom Delahanty | 9/29/1894 |
| 21. | Ben Egan | 9/29/1908 |
| 22. | Aubrey Epps | 9/29/1935 |
| 23. | Ben Flowers | 9/29/1951 |
| 24. | Harry Fritz | 9/29/1913 |
| 25. | Trent Giambrone | 9/29/2021 |
| 26. | John Gochnaur | 9/29/1901 |
| 27. | Kenny Greer | 9/29/1993 |
| 28. | John Grim | 9/29/1888 |
| 29. | John Habyan | 9/29/1985 |
| 30. | Gary Hargis | 9/29/1979 |
| 31. | Brian Harper | 9/29/1979 |
| 32. | Ed Hilley | 9/29/1903 |
| 33. | Paul Hopkins | 9/29/1927 |
| 34. | Jim Hughey | 9/29/1891 |
| 35. | Walt Huntzinger | 9/29/1923 |
| 36. | John Kalahan | 9/29/1903 |
| 37. | Eddie Kazak | 9/29/1948 |
| 38. | Dick Koecher | 9/29/1946 |
| 39. | John Kroner | 9/29/1935 |
| 40. | Steve Kuczek | 9/29/1949 |
| 41. | Frank LaPorte | 9/29/1905 |
| 42. | Andy Larkin | 9/29/1996 |
| 43. | Tim Locastro | 9/29/2017 |
| 44. | Jorge Lopez | 9/29/2015 |
| 45. | Drew Macias | 9/29/2007 |
| 46. | Wickey McAvoy | 9/29/1913 |
| 47. | Bill McGee | 9/29/1935 |
| 48. | Kid Mohler | 9/29/1894 |
| 49. | Hiker Moran | 9/29/1938 |
| 50. | Bill Mountjoy | 9/29/1883 |
| 51. | Hal Newhouser | 9/29/1939 |
| 52. | John O'Donoghue | 9/29/1963 |
| 53. | Eddie O'Meara | 9/29/1895 |
| 54. | Whitey Ock | 9/29/1935 |
| 55. | John Paciorek | 9/29/1963 |
| 56. | Matt Pagnozzi | 9/29/2009 |
| 57. | Claude Passeau | 9/29/1935 |
| 58. | Monte Pfeffer | 9/29/1913 |
| 59. | Ronn Reynolds | 9/29/1982 |
| 60. | Carl Sawatski | 9/29/1948 |
| 61. | Bill Schuster | 9/29/1937 |
| 62. | Charlie Silvera | 9/29/1948 |
| 63. | Milt Stock | 9/29/1913 |
| 64. | Rick Sutcliffe | 9/29/1976 |
| 65. | Len Swormstedt | 9/29/1901 |
| 66. | Hank Thormahlen | 9/29/1917 |
| 67. | Bob Turley | 9/29/1951 |
| 68. | George Werley | 9/29/1956 |
| 69. | Terry Whitfield | 9/29/1974 |
| 70. | Don Wilson | 9/29/1966 |
| 71. | Hack Wilson | 9/29/1923 |
| 72. | Art Wilson | 9/29/1908 |
| 73. | Michael Young | 9/29/2000 |
| 74. | Eddie Zimmerman | 9/29/1906 |
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