March 20 in Tampa Bay baseball:
- Pitchers Santos Hernandez, Ryan Karp, and John LeRoy, outfielders Greg Blosser and Carlos Mendoza, and catcher Bob Natal were assigned to minor league camp.
- Pitchers Luis de los Santos, Jason Dickson, and Tom Martin, outfielders Kevin Sefcik and Emil Brown, and infielder Ryan Freel were assigned to minor league camp.
- Vaughn, Rick; Costello, Chris; Landy, Greg et al., eds (1999). Tampa Bay Devil Rays 1999 Information Guide. St. Petersburg, FL: Tampa Bay Devil Rays Public Relations Office. p. 277.
- Vaughn, Rick; Costello, Chris; Landy, Greg et al., eds (2003). Tampa Bay Devil Rays 2003 Media Guide. St. Petersburg, FL: Devil Rays Public Relations Department. p. 271.
- "Roster >> Transactions: March 2013". RaysBaseball.com. MLB Advance Media. http://tampabay.rays.mlb.com/team/transactions.jsp?c_id=tb#month=3&year=2013&team_id=139. Retrieved March 20, 2013.