Both fighters open the round exchanging with St. Pierre landing a hard left hook. Koscheck attempts another takedown and misses by a mile. Another inside leg kick and left hook by GSP. More jabbing from GSP. Koscheck swings wildly and misses, GSP follows up with a right cross. The fighters then clinch against the fence. A double leg lands for St. Pierre with just over a minute in the fight. And another as Koscheck fights to regain his feet. The fighters jockey for position against the fence and then separate. A few more strikes, but neither fighter lands anything of significance.
SBNation.com scores this round 10-9 St. Pierre and the fight 50-45 St. Pierre.