Despite missing two of the three previous games with a bruised left shoulder, he finished with 119 yards on 20 carries.
Hamilton missed two games earlier this month with a slightly separated shoulder and the Giants' run defense suffered in his absence.
But Muckler said York hasn't been the same since he missed the final 10 games last season with a separated shoulder.
Wright has missed three months with a strained shoulder.
He missed six weeks with a dislocated left shoulder, but he seems just fine now.
In 1993 he played 10 games, missing the final two with a sprained shoulder.
Webber then missed 83 games with a dislocated left shoulder from 1994 to 1996.
He threw for 1,840 yards and 15 touchdowns despite missing two games with a separated shoulder as his young team struggled to a 6-5 record.
Earlier this season he missed a game with a dislocated shoulder.
Hernández missed a start this week with a tired shoulder, and his return to the mound raised more troubling questions.