Six fighters could be looking at up to 180 days on the sidelines after UFC on ESPN 21. Among the six is rising star Adrian Yanez (13-3 MMA, 2-0 UFC), who will need doctor clearance for his right hand after scoring a “Performance of the Night” knockout over Gustavo Lopez. Also facing potential 180-day terms is Montserrat Ruiz (10-1 MMA, 1-0 UFC), who defeated Cheyanne Buys (5-2 MMA, 0-1 UFC) via unanimous decision. Ruiz needs doctor clearance for both her left knee and right shoulder