McDonald Due For MRI On Biceps

49ers_McDonald_2013The 49ers, who were sliding toward desperation mode two weeks ago, have won a pair of games to climb over .500.

But the news isn’t all good, given that the Niners suffered another defensive injury on Sunday night against the Texans.

Matt Maiocco of reports that defensive end Ray McDonald will have an MRI on Monday to determine the extent of the damage to his injured biceps.