Today news broke that Chael Sonnen wasn't the only fighter at UFC 148 using a Therapeutic Use Exemption for testosterone, Forrest Griffin was too. Griffin completed a triology with Tito Ortiz in Ortiz's last MMA fight of his career. On Twitter, it appeared Ortiz wasn't happy that Forrest used TRT in their fight:

@ForrestGriffin sorry to hear you had to use #steriods to beat me! Wait or try to beat me. @ForrestGriffin = #cheater lol. Have a good day!

— Tito Ortiz (@titoortiz) July 13, 2012

Forrest Griffin joins a budding list of UFC and MMA fighters that are using Testosterone Replacement Therapy. The recent TRT exemptions have given rise to numerous debates about whether or not it should be legal, whether opponents should be informed if the man they're standing across a cage from is using TRT, and the shady requirements for fighters to successfully get a TUE from State Athletic Commissions.

Edit: Ortiz has since deleted the previous tweet, but added a new one:

He does it I'm a sore loser! If I did it I would of been a cheat my whole career. I haters can suck it. #neverhappy. Lol

— Tito Ortiz (@titoortiz) July 13, 2012