Murray throws 4 TD passes, unbeaten Cardinals batter Browns

Cleveland Browns quarterback Baker Mayfield (6) fumbles and is injured on a play during the second half of an NFL football game against the Arizona Cardinals, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/David Richard)

Arizona Cardinals quarterback Kyler Murray (1) throws a 9-yard touchdown pass to wide receiver DeAndre Hopkins (10) during the second half of an NFL football game against the Cleveland Browns, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/David Richard)

Cleveland Browns running back Kareem Hunt (27) is helped off the field after an injury during the second half of an NFL football game against the Arizona Cardinals, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/David Richard)

Cleveland Browns head coach Kevin Stefanski, left, touches the helmet of quarterback Baker Mayfield (6) after an injury during the second half of an NFL football game against the Arizona Cardinals, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/David Richard)

Arizona Cardinals defensive coordinator and acting head coach Vance Joseph looks on during the second half of an NFL football game against the Cleveland Browns, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/Ron Schwane)

Arizona Cardinals middle linebacker Jordan Hicks (58) celebrates a sack with linebacker Markus Golden (44) during the second half of an NFL football game against the Cleveland Browns, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/Ron Schwane)

Arizona Cardinals wide receiver DeAndre Hopkins (10) celebrates after scoring a 9-yard touchdown during the second half of an NFL football game against the Cleveland Browns, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/Ron Schwane)

Cleveland Browns wide receiver Donovan Peoples-Jones (11) dives in to the end zone for an 11-yard touchdown as Arizona Cardinals cornerback Robert Alford (23) can't make the tackle during the first half of an NFL football game, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/Ron Schwane)

Arizona Cardinals wide receiver DeAndre Hopkins celebrates after scoring a 13-yard touchdown during the first half of an NFL football game against the Cleveland Browns, Sunday, Oct. 17, 2021, in Cleveland. (AP Photo/David Richard)