If Tim Couch was watching the Cleveland Browns game Sunday, he probably would have understood the frustration brimming from quarterback Derek Anderson after the game. Some of the fans at Cleveland Browns Stadium cheered when Anderson was helped off the field and into the locker room after he suffered what appears to be a season-ending injury to his knee. Anderson said he heard the jeers, and he was understandably upset about it. He’s not the only one. I’ve been a Browns fan all my life, and I’ve never been embarrassed to admit it despite their sometimes pathetic play over the past few years. But on Sunday, I was embarrassed to be a Browns fan. Not because they lost, but because when I wear my Browns gear, I might be grouped in with these people (they don’t deserve the label ‘fans’) who disrespect players who just laid it all on the line for their team. ‘‘They were cheering the fact that I was hurt,” Anderson told reporters after the 10-6 loss to the Colts. ‘‘They don’t like me.