The offense got a big injury scare late in the season when David Montgomery hurt his right knee in Week 15. What happened over the next few days created a pendulum of swinging emotions for Lions ...

No. 10: Alex Anzalone's forearm No. 9: Ifeatu Melifonwu's turbulent year No. 8: Christian Mahogany's delayed debut No. 7: James Houston's ill-fated comeback No. 6: David Montgomery's mysterious knee ...

No. 9: Ifeatu Melifonwu's turbulent year No. 8: Christian Mahogany's delayed debut No. 7: James Houston's ill-fated comeback No. 6: David Montgomery's mysterious knee No. 5: Carlton Davis jaw fracture ...

No. 10: Alex Anzalone's forearm No. 9: Ifeatu Melifonwu's turbulent year No. 8: Christian Mahogany's delayed debut No. 7: James Houston's ill-fated comeback No. 6: David Montgomery's mysterious knee ...

No. 10: Alex Anzalone's forearm No. 9: Ifeatu Melifonwu's turbulent year No. 8: Christian Mahogany's delayed debut No. 7: James Houston's ill-fated comeback ...

NFL training camps are heating up, and teams have plenty to figure out over the next month. Here are three decisions the Detroit Lions must make before they kick off their regular season on Sept 8.