49ers QB Brock Purdy’s defining trait is one he shares with Patrick Mahomes (paywall)
Baldinger: “One of his best attributes, and one that doesn’t generally get talked about enough, is his escapability, his ability to just extend drives … over and over again. Not many guys will step up, step back and then outrun (Seattle linebacker) Jerome Baker for a first down. … He just wears the defenses out.
“What Purdy does right here (on an extended scramble leading to the Jennings pass mentioned above), this is called the law of expanding angles — the longer he holds the ball, the more the defense (spreads out).