December 15 in Tampa Bay baseball:
- Pitchers Mark Comolli (from Toronto), Tim Corcoran (from Baltimore), and Alec Zumwalt (from Atlanta), catcher Adan Munoz (from Atlanta), and outfielders Matt Bowser (from Oakland) and Sergio Contreras (from Anaheim) were selected in the rule 5 draft.
- Infielder Akinori Iwamura was signed to a 3-year Major League contract with a club option for the 2010 season.
- Pitcher Al Reyes was signed to a minor league contract with an invitation to spring training.
- Pitchers Hector Aguilera and Ali Crespo and infielder Jose Colmenares were released from Foreign-Rookie VSL Rays.
- 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. 273.
- "Roster >> Transactions: December 2003". RaysBaseball.com. MLB Advance Media. http://tampabay.rays.mlb.com/team/transactions.jsp?c_id=tb#month=12&year=2003&team_id=139. Retrieved October 25, 2012.
- "Roster >> Transactions: December 2006". RaysBaseball.com. MLB Advance Media. http://tampabay.rays.mlb.com/team/transactions.jsp?c_id=tb#month=12&year=2006&team_id=139. Retrieved October 25, 2012.
- "Venezuelan Summer League Transactions: December 2010". MiLB.com. Minor League Baseball. http://www.milb.com/milb/stats/stats.jsp?t=l_trn&sid=milb&lid=134&ymd=201012. Retrieved October 25, 2012.