49
Progression
| player | Start Date | End Date | Position |
|---|---|---|---|
| John Stephenson | Apr 14 1964 | Jul 9 1964 |
Third base Outfield |
| Kevin Kobel | May 20 1978 | Jun 7 1980 | Pitcher |
| Dyar Miller | Apr 9 1981 | Oct 4 1981 | Pitcher |
| Walt Terrell | Sep 11 1982 | Sep 30 1984 | Pitcher |
| Ed Hearn | May 9 1986 | Oct 27 1986 | Catcher |
| Don Schulze | Jul 14 1987 | Aug 13 1987 | Pitcher |
| Don Aase | Apr 15 1989 | Oct 1 1989 | Pitcher |
| Todd Hundley | May 18 1990 | Oct 6 1991 | Catcher |
| Mike Birkbeck | Aug 31 1992 | Sep 1 1992 | Pitcher |
| Joe Vitko | Sep 14 1992 | Oct 4 1992 | Pitcher |
| Pete Walker | Jun 5 1995 | Oct 1 1995 | Pitcher |
| Rob MacDonald | Apr 1 1996 | Jun 13 1996 | Pitcher |
| Joe Crawford | Apr 7 1997 | Sep 28 1997 | Pitcher |
| Brad Clontz | Jun 4 1998 | Sep 10 1998 | Pitcher |
| Armando Benitez | Apr 4 1999 | Jul 13 2003 | Pitcher |
| Orber Moreno | Sep 1 2003 | Jul 24 2004 | Pitcher |
| Felix Heredia | Apr 4 2005 | Apr 19 2005 | Pitcher |
| Roberto Hernandez | Aug 1 2006 | Aug 3 2006 | Pitcher |
| Phillip Humber | Sep 5 2006 | Sep 30 2007 | Pitcher |
| Ruddy Lugo | Aug 5 2008 | Aug 9 2008 | Did Not Play |
| Jon Niese | Sep 1 2008 | Sep 28 2008 | Pitcher |
| Jon Niese | May 7 2009 | May 14 2009 | Pitcher |
| Jon Niese | Jul 25 2009 | Aug 5 2009 | Pitcher |
| Jon Niese | Jun 5 2010 | Aug 26 2011 | Pitcher |