The 49ers announced today that 2014 3rd round pick, Marcus Martin (OL), has been placed on IR. To fill his roster spot, Raheem Mostert (RB) was promoted from the practice squad.
Mostert was a undrafted free agent out of Purdue in the 2015 draft. He was signed by the Philadelphia Eagles, when Chip Kelly was the head coach, and since has spent time with the Dolphins, Ravens, Browns, Jets and Bears. He was known for his kick return ability at Purdue, averaged 33.5 yards a return. During his preseason with the Eagles, he totaled 157 rushing yards, 191 receiving yards and returned 5 kicks for a total of 162 yards in limited action.