Mack lost weeks 3 and 4 to a shoulder injury in his rookie season. We finally learned this spring that Mack played through a labrum tear that eventually required spring surgery. The timing kept Mack out of spring workouts. He enters training camp as the expected front-runner in an open backfield that shed Frank Gore in the offseason but could face competition from rookies Nyheim Hines and Jordan Wilkins.
|Projected Missed||Probability of injury per game ?||Probablity of injury in the season ?|
|Nov 25, 2018||Head Cranial Concussion Grade 1||Mack sustained a concussion but was cleared by the following weekend.|
|Sep 16, 2018||Thigh Hamstring Strain Grade 2||Mack re-injured his hamstring and missed 3 more games.|
|Aug 9, 2018||Thigh Hamstring Strain Grade 2||Mack injured his hamstring in the preseason opener and was sidelined until Week 2.|
|Sep 17, 2017||Shoulder Labrum Tear||Mack tore the labrum in his shoulder in Week 2. He missed 2 games and then underwent surgery in the offseason.|
|Sep 3, 2016||Head Cranial Concussion Grade 1||Mack sustained a concussion in the 2016 opener and missed the next game.|