3 quick takeaways from 49ers narrow win over Cardinals: Health is becoming a problem

49ers improve to 3-0 with hard-fought win over Cardinals

Brock Purdy bails out the 49ers’ defense in a shootout win over the Cardinals

Arizona Cardinals keep it close, but 49ers offense is a more than they can handle

Purdy throws 4 TD passes to lead the injury-depleted 49ers to a 36-30 win vs. the Cardinals

49ers move to 3-0 after beating the Cardinals 36-30