49ers’ Iupati Sprained His MCL

Source: Josh Alper, NBC Sports Pro Football Talk

49ers_Mike_Iupati_201349ers left guard Mike Iupati was carted to the locker room and almost immediately ruled out of Sunday’s loss to the Saints, a series of events that can often precede the announcement of a season-ending injury.

Matt Barrows of the Sacramento Bee reports that Iupati suffered a sprained MCL when running back Frank Gore rolled up the back of his leg at the end of a running play in the third quarter of the game.