Lions part ways with injured RB Zenner

The Detroit Lions waived running back Zach Zenner off the injured reserve list Wednesday, two weeks after he suffered a back injury in the preseason finale.Zenner, who turns 27 on Thursday, played the last three seasons with the Lions after signing as an undrafted free agent in 2015.A fan favorite in Detroit, Zenner appeared in 28 games and rushed for 420 yards and five touchdowns. He also caught 20 passes for 207 yards and was a key contributor on special teams.