He won 18 of his first 22 starts and his quarterback rating was 116.2. He seemed like a phenomenon or a superhero.And then he faced the Baltimore Ravens on Christmas night. This was supposed to be Purdy's coronation as the MVP of the NFL.

The injury-prone San Francisco 49ers are monitoring yet another health issue, this one involving quarterback Brock Purdy's right shoulder. Coach Kyle Shanahan said on Monday that Purdy emerged from the team's 20-17 home loss to the Seattle Seahawks a day earlier with a sore throwing shoulder.

Brock Purdy is dealing with soreness in his right (throwing) shoulder, coach Kyle Shanahan said Monday, and is day-to-day.