will need to wait to make his debut with the .The recently signed running back will mi s one to two weeks after pulling his hamstring in Thursday's practice, according to coach Bruce Arians, whoafter Josh Harris Jersey Arizona's 22-19 preseason lo s to the .In Johnson's absence, his namesake -- rookie runner -- rushed for 66 yards off 13 carries at 5.1 yards per attempt, prompting Arians to say that the first-year runner played well Arians has repeatedly voiced his concerns over a backfield that has yet to produce a clear starter this summer. Last year's featured back, , is too slight to carry the load alone, leaving the door open for Johnson and Johnson to share the work.While CJ2K has yet to make an impre sion on the field, we expect him to make the club after quarterback called the former 2,000-yard rumbler a for the Cards.Other injuries we're monitoring on this fine Sunday morning: on the ' first drive against the , . NFL Media Insider Ian Rapoport reports that , according to a source with knowledge of the injury.Guard was evaluated for a concu sion, the announced. He was helped off the field in the second quarter and walked into the locker room under his own power. He did not return. backup quarterback was evaluated for a concu sion Sunday, according to Mike McCarthy. center suffereda broken bone in his left ankle, to NFL Media's Albert Breer. He left the game early and did not return. He likely will need surgery, Breer reported. for the unfortunately. did not return after being carted into the locker room with a left ankle injury in the second quarter, the team announced. Backup quarterback also left the game early after suffering a finger injury on his left hand. participated in team drills on Sunday with a concu sion and shoulder stinger, . He was cleared for and has no effects of a concu sion and will see a neurologist. left practice after his throwing arm according to coach Mike Pettine. The second-year pa ser is unlikely to practice Monday after he was seen during 11-on-11s, per Mary Kay Cabot of The Plain Dealer. Manziel experienced similar stiffne s before the team's first preseason game, but that didn't keep him from playing. Pettine said. QB Sunday, team owner Jerry Jones told reporters after the team's lo s to the . Weeden went to the the locker room after he was hit in the head on a sack during the second quarter, the Los Angeles Chargers Jersey ' official website reported. linebacker suffered a sprained knee in Saturday's preseason game, , and is listed as "week-to-week."Coughlin also confirmed that safety suffered a season-ending torn ACL. The are monitoring after the receiver went down with a in Saturday's 23-11 preseason win over the . "We don't think it's overly serious but he did not come back," coach John Fox told reporters, per ESPN.com. left tackle sprained his MCL, per ESPN. No surgery is anticipated, but a timetable for his recovery has not been set. wideout but will be back for the start of the regular season, according to coach Dan Quinn.Niners tight end sustained an ankle injury against the and did not return, the team announced. McDonald, who had a catch before the injury, returned to the sidelines. Niners coach Jim Tomsula said McDonald's injury .The latest Podcast by talking undervalued and overvalued QBs and everyone's draft philosophies.