Jordan Mason landing on Injured Reserve in Week 2 opened the door for Vikings rookie running back Demond Claiborne to carve out a role on offense. Unfortunately, the sixth-round selection got tripped up short of the doorway.Aaron Jones Sr. has handled 85 of the 94 attempts out of the Vikings’ backfield since Mason went down. […] The post Vikings One-Promising Rookie Could Be On Shaky Ground For Former Fifth-Round Pick appeared first on HEAVY.