Middleton (upper body) was ruled out of Thursday's contest with Buffalo, per Curtis Pashelka of The San Jose Mercury News.

EDGE Analysis

Middleton suffered an upper-body injury against the Red Wings that forced him to exit the game early. Pashelka adds, the 26-year-old is not expected to miss more than another game at most. The Ontario-born defenseman averaged 20:38 of ice time and tallied four points through his five performances prior to exiting.