Bridgewater out. Glennon up?

http://www.espn.com/nfl/story/_/id/17424174/teddy-bridgewater-seriously-injured-minnesota-vikings-practice

Apparently Teddy Bridgewater went down with what looks like a serious knee injury in practice. An ambulance was called.Tough break for the Vikings and I'm wondering if they will give Glennon a hard look, with the alternatives being not so great (Sanchez and a few other scrubs).