The Facts: Purdy left Monday's game against the Ravens after suffering a stinger, Josh Dubow of The Associated Press reports.

Diehards Line: Purdy jogged to the medical tent early in the fourth quarter and had a conversation with coach Kyle Shanahan after exiting. His replacement, Sam Darnold, then took the field with the 49ers' offense following that conversation. The decision to appeared to be cautious with the MVP candidate as he remained on the sidelines for the remainder of the game. Purdy completed 18 of 32 passes for 255 yards and zero touchdowns, while also throwing four interceptions before exiting.