Petty started four games in 2016 and compiled a 56.4 percent completion percentage with three touchdowns and seven interceptions in six appearances. The third-year pro took over for McCown in Sunday's shutout loss to the Denver Broncos, completing 2 of 9 passes for 14 yards.
Hackenberg has yet to play a regular-season snap. Bowles dismissing the 2016 second-round pick as an option underscores the belief that the coaching staff doesn't feel he's ready to play. While the Jets could change their minds down the road, it doesn't sound like the team wants to test-drive the 6-foot-4 quarterback before hitting the offseason unless injury strikes again.