71 MLB Players debut on August 18
| # | Player | debut Date |
|---|---|---|
| 1. | Ernie Baker | 8/18/1905 |
| 2. | Rex Barney | 8/18/1943 |
| 3. | Francisco Barrios | 8/18/1974 |
| 4. | Charlie Bastian | 8/18/1884 |
| 5. | Bruce Benedict | 8/18/1978 |
| 6. | Jim Bottomley | 8/18/1922 |
| 7. | Thomas Burns | 8/18/1884 |
| 8. | Guy Cantrell | 8/18/1925 |
| 9. | Dennis Casey | 8/18/1884 |
| 10. | Dan Casey | 8/18/1884 |
| 11. | Braulio Castillo | 8/18/1991 |
| 12. | Pete Coachman | 8/18/1990 |
| 13. | Kaleb Cowart | 8/18/2015 |
| 14. | Jesus Cruz | 8/18/2020 |
| 15. | John Cullen | 8/18/1884 |
| 16. | George Davies | 8/18/1891 |
| 17. | Babe Doty | 8/18/1890 |
| 18. | John Farrell | 8/18/1987 |
| 19. | Danny Fife | 8/18/1973 |
| 20. | Martin Flaherty | 8/18/1881 |
| 21. | Charlie Frank | 8/18/1893 |
| 22. | Tito Fuentes | 8/18/1965 |
| 23. | Wally Gilbert | 8/18/1928 |
| 24. | Luis Gonzalez | 8/18/2020 |
| 25. | Hal Gregg | 8/18/1943 |
| 26. | Steve Gromek | 8/18/1941 |
| 27. | John Halla | 8/18/1905 |
| 28. | Earl Harrist | 8/18/1945 |
| 29. | Jason Hart | 8/18/2002 |
| 30. | Carlos Hernandez | 8/18/2001 |
| 31. | Les Howe | 8/18/1923 |
| 32. | Kris Johnson | 8/18/2013 |
| 33. | Duke Kelleher | 8/18/1916 |
| 34. | George Kelly | 8/18/1915 |
| 35. | Russ Kerns | 8/18/1945 |
| 36. | Rick Kester | 8/18/1968 |
| 37. | Matt Kinney | 8/18/2000 |
| 38. | Tim Laker | 8/18/1992 |
| 39. | Ryan Lavarnway | 8/18/2011 |
| 40. | Todd Linden | 8/18/2003 |
| 41. | Tom Lynch | 8/18/1884 |
| 42. | Steve Macko | 8/18/1979 |
| 43. | Roger McKee | 8/18/1943 |
| 44. | Blas Monaco | 8/18/1937 |
| 45. | Franklin Morales | 8/18/2007 |
| 46. | Ron Musselman | 8/18/1982 |
| 47. | Greg Norton | 8/18/1996 |
| 48. | Kirt Ojala | 8/18/1997 |
| 49. | Omar Olivares | 8/18/1990 |
| 50. | Mike Palagyi | 8/18/1939 |
| 51. | Angel Perdomo | 8/18/2020 |
| 52. | Jackie Price | 8/18/1946 |
| 53. | Barry Raziano | 8/18/1973 |
| 54. | Todd Redmond | 8/18/2012 |
| 55. | Davis Romero | 8/18/2006 |
| 56. | Anthony Santander | 8/18/2017 |
| 57. | Steve Sax | 8/18/1981 |
| 58. | Nolan Schanuel | 8/18/2023 |
| 59. | Mike Sember | 8/18/1977 |
| 60. | Tarik Skubal | 8/18/2020 |
| 61. | Kevin Smith | 8/18/2021 |
| 62. | Frank Snyder | 8/18/1912 |
| 63. | Dick Terwilliger | 8/18/1932 |
| 64. | Fred Truax | 8/18/1890 |
| 65. | Tuck Turner | 8/18/1893 |
| 66. | Mike Vail | 8/18/1975 |
| 67. | John Van Benschoten | 8/18/2004 |
| 68. | Masyn Winn | 8/18/2023 |
| 69. | Bob Wolcott | 8/18/1995 |
| 70. | Chris Young | 8/18/2006 |
| 71. | Todd Zeile | 8/18/1989 |
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