September 16 in Tampa Bay baseball:
- Tampa Bay acquires the Advanced-A St. Petersburg Cardinals of the Florida State League, which will be renamed as the St. Petersburg Devil Rays.
- Vaughn, Rick; Maraniss, Andrew; Matasich, Steve et al., eds (1998). Tampa Bay Devil Rays 1998 Information Guide. St. Petersburg, FL: Tampa Bay Devil Rays Public Relations Office. p. 222.
- Vaughn, Rick; Costello, Chris; Molina, Carmen et al., eds (2008). 2008 Tampa Bay Rays Media Guide. St. Petersburg, FL: Tampa Bay Rays Communications Department. p. 278.