Speed A Primary Focus In Secondary

Additions of Tyvon Branch, Brandon Williams increase group's athleticism, versatility

Cardinals safety Tyvon Branch also played nickel cornerback against the Raiders on Friday.General Manager Steve Keim loves to watch the Cardinals offense fly up and down the field and score touchdowns.

But every time he does, it’s a reminder of the cat-and-mouse game he’s constantly playing as the roster architect on defense.

“Guys like Bruce Arians are just thinking of ways to come up with an athletic mismatch,” Keim said. “Get David Johnson on this linebacker, or this safety.”

The Cardinals’ secondary has two of the best players in the NFL in cornerback Patrick Peterson and safety Tyrann Mathieu, so it…