Both Grove and Halsey came back clean in out-of-competition drug testing done by the California State Athletic Commission this week, executive officer Andy Foster told MMAFighting.com on Tuesday. Halsey will defend his Bellator middleweight title against Grove in the main event of Bellator 137 on Friday night in Temecula.
Grove has been adamant that he knows Halsey is using performance-enhancing drugs.
"Let's just say I have friends that use to train with him and he left an email open," Grove told The MMA Report. "In that email, there was like a chemist list of a bunch of sh*t that was address to him about how to cycle on and off.