NEW YORK CITY: New York Jets quarterback Mark Sanchez underwent season-ending surgery on his throwing shoulder, the National Football League club announced on Tuesday. Sanchez suffered the injury during the fourth quarter of the Jets’ third exhibition game against the New York Giants. He was placed on injured list on September 14. In 15 contests last season, Sanchez threw for 2,883 yards with 13 touchdowns and 18 interceptions. He was sacked 34 times and lost eight fumbles.