CLEVELAND (AP) -- Browns Pro Bowl tackle Joe Thomas took one look at Brandon Weeden and knew something was wrong with his quarterback.
"He was on the ground just kind of shaking his head," Thomas said.
Weeden sustained a concussion in the closing minutes of Sunday's 20-14 win over the Pittsburgh Steelers, an injury that brought Colt McCoy off the bench to close out only Cleveland's second win in 18 games against its biggest rival.
It was a twist for McCoy, who suffered a concussion late last season at Pittsburgh when he was leveled on a vicious hit by Steelers linebacker James Harrison.
Weeden appeared to bang his head on Thomas' leg as he fell awkwardly after throwing an incomplete pass with about five minutes left. The rookie was slow getting up and walked unsteadily to the sideline where he was met by medical personnel. Weeden was then escorted to Cleveland's locker room for further treatment and evaluation.
Thomas thought Weeden collided with Steelers linebacker Jason Woril...