INGLEWOOD, Calif. — Matthew Stafford passed for 202 yards and two touchdowns and ran for another score in his first playoff victory, and the Los Angeles Rams roared out of the wild-card round with a 34-11 win over the Arizona Cardinals on Monday night. Odell Beckham Jr. and Cooper Kupp made touchdown catches for the NFC West champion Rams (13-5), who will visit the defending Super Bowl champion Tampa Bay Buccaneers on Sunday for a spot in the NFC championship game.