Green Bay Packers head coach Matt LaFleur is dealing with an injury as the team is going through offseason workouts. While speaking to reporters on Friday, LaFleur revealed that he underwent surgery for a torn pectoral muscle. “Got in a little fight with the bench press. I lost,” LaFleur said, per Matt Schneidman of The Athletic.LaFleur, 44, was wearing a sling during the draft. And during the first day of the Packers’ rookie minicamp on Friday, LaFleur didn’t use his left arm, according to Pro Football Talk. This is the second major surgery LaFleur since becoming the Packers’ head coach in 20…