Randy Johnson
- Given Name
- Randall David
- Nickname(s)
- The Big Unit
- Born
- 9/10/1963 — Walnut Creek, CA, USA
- Weight
- 225 lbs
- Height
- 6' 10"
- Throws
- L
- Bats
- R
- Team(s)
- Montreal Expos (1988–1989)Seattle Mariners (1989–1998)Houston Astros (1998)Arizona Diamondbacks (1999–2008)New York Yankees (2005–2006)San Francisco Giants (2009)
- Debut
- 1988-09-15
- Final Game
- 2009-10-04