News of the matchup was reported by MMAWeekly.com who learned of the bout through Nijem’s management.
UFC on FX 4 is expected to take place on June 22, 2012 at the Revel Casino in Atlantic City, New Jersey. The event is headlined by a lightweight bout between Gray Maynard and Clay Guida.
Nijem is 1-1 in the UFC, winning his last match in October at UFC 137. The bout saw Nijem return to lightweight winning a decision victory over Danny Downes at the Las Vegas. Previous to that Nijem debuted at the TUF 13 Finale against Tony Ferguson, losing by first round knockout.
Keith is undefeated earning eight straight victories. He signed with the UFC several months ago but had his debut delayed due to a fire which saw his family house burned down. Keith had his last fight in October, earning a first round TKO finish at a TWC event in California.