Bill Belichick didn't provide any further updates on Dion Lewis Monday. Greg M. Cooper USA TODAY Sports

The New England Patriots were dealt a significant blow on Sunday when running back Dion Lewis left the game with a non-contact knee injury. He was quickly ruled out for the remainder of the game after suffering the injury and is expected to have an MRI on Monday.

On his conference call Monday morning, Bill Belichick didn't have anything more to say on the injury.

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"I don't have any update on Dion," he said.

Reports on Lewis' injury have ranged from an MCL sprain to an ACL issue, with Adam Schefter reporting it's "loose." The MRI will confirm just how severe the injury is, but Lewis will likely miss at least four weeks if it is an MCL sprain.

Lewis has played a huge role in the Patriots offense in his first year with the team. He's caught 36 passes for 388 yards, while also rushing for 234 yards.

LeGarrette Blount, Brandon Bolden, and James White are expected to fill in for Lewis if he's forced to miss an extended period of time, and the trio is more than capable. Blount rushed for 129 yards on Sunday and is a bruiser, while Bolden and White are both good pass catchers out of the backfield.