May 9 in Tampa Bay baseball:
- Infielder Rey Ordonez (left knee sprain) and pitcher Steve Parris (right shoulder tendinitis, retroactive to May 7) were placed on the 15-day disabled list.
- Outfielder George Lombard and infielder Chris Truby were designated for assignment.
- Pitcher Victor Zambrano was optioned to Triple-A Durham.
- Pitcher Jim Parque was activated from the 15-day disabled list.
- Infielder Antonio Perez was recalled from Triple-A Durham.
- Outfielder Jason Tyner was selected from Triple-A Durham.
- Infielder Felix Escalona was recalled from Double-A Orlando.
- Pitcher John Rocker was selected from Double-A Orlando.
- Outfielder John Rodriguez was placed on the disabled list at Triple-A Durham.
- Pitcher Juan Salas was sent to Triple-A Durham for a Major League rehabilitation assignment.
- Pitcher Nick DeBarr and outfielder Jeremy Owens were reassigned to Triple-A Durham from Short-Season Hudson Valley.
- Vaughn, Rick; Costello, Chris; Molina, Carmen et al., eds (2004). Tampa Bay Devil Rays 2004 Media Guide. St. Petersburg, FL: Devil Rays Public Relations Department. p. 294.
- "International League Transactions: May 2008". MiLB.com. Minor League Baseball. http://www.milb.com/milb/stats/stats.jsp?t=l_trn&sid=l117&lid=117&ymd=200805. Retrieved February 23, 2013.