Where O'Brien's influence has been seen most at Pats practice originally appeared on NBC Sports Boston
The difference between last year's training camp and this year's for the New England Patriots offense has been night and day, and it comes down to one major change on that side of the ball.
After a dysfunctional season with Matt Patricia and Joe Judge at the helm, the Patriots brought back Bill O'Brien as their offensive coordinator. We're only about one week into camp, but O'Brien already has made his presence felt.