Strikeforce Challengers 18 drug test results come back clean for 'Gurgel vs Duarte' on Aug. 12
Strikeforce payouts and salaries for 'Gurgel vs Duarte' event fighters on Aug. 12
Strikeforce Challengers 18 results and LIVE fight coverage tonight (Aug. 12) for 'Gurgel vs Duarte'
Join MMA Nation tonight at 11 p.m. ET as we bring you live results of Strikeforce Challengers 18.
Did everyone make weight for Friday night's Strikeforce Challengers 18 event? We got the details!