30
Progression
| player | Start Date | End Date | Position |
|---|---|---|---|
| Dennis Ribant | Sep 2 1965 | Oct 2 1966 | Pitcher |
| Nolan Ryan | Aug 31 1967 | Oct 1 1967 | Did Not Play |
| Nolan Ryan | Apr 10 1968 | Sep 1 1971 | Pitcher |
| Hank Webb | Apr 27 1973 | May 11 1973 | Pitcher |
| Bob L. Miller | Sep 22 1973 | Oct 2 1974 | Pitcher |
| Hank Webb | Apr 9 1976 | May 27 1976 | Pitcher |
| Jackson Todd | May 2 1977 | Oct 2 1977 | Pitcher |
| Mike Scott | Apr 5 1979 | Oct 3 1982 | Pitcher |
| Mike Torrez | Apr 5 1983 | Jun 16 1984 | Pitcher |
| Mel Stottlemyre | Apr 9 1985 | Oct 3 1993 | Coach |
| Doug Linton | Apr 8 1994 | Aug 11 1994 | Pitcher |
| Alberto Castillo | May 28 1995 | Jul 11 1998 | Catcher |
| Allen Watson | Apr 5 1999 | Jun 18 1999 | Pitcher |
| Jorge Toca | Sep 1 1999 | Oct 4 1999 |
First base Outfield |
| Jorge Toca | Jun 28 2000 | Jun 29 2000 | Did Not Play |
| Jorge Toca | Sep 1 2000 | Oct 1 2000 |
First base Outfield |
| Jorge Toca | Apr 9 2001 | Apr 25 2001 |
First base Outfield |
| Jorge Toca | Sep 1 2001 | Oct 7 2001 |
First base Outfield |
| Cliff Floyd | Mar 31 2003 | Oct 19 2006 | Outfield |
| Aaron Sele | Apr 1 2007 | Sep 30 2007 | Pitcher |
| Raul Casanova | Mar 31 2008 | May 10 2008 | Catcher |
| Raul Casanova | May 22 2008 | Jun 11 2008 | Catcher |
| Josh Thole | Sep 1 2009 | Oct 4 2009 | Catcher |
| Josh Thole | May 10 2010 | May 13 2010 | Did Not Play |
| Josh Thole | Jun 24 2010 | Catcher |