Purdy (elbow) has been ruled out for Sunday's game against the Cardinals, Nick Wagoner of ESPN.com reports.

Purdy (right elbow) didn't practice Thursday, Nick Wagoner of ESPN.com reports.

The 49ers announced Wednesday that Joshua Dobbs will start in place of Purdy (elbow) in Sunday's Week 18 game against Arizona.

San Francisco head coach Kyle Shanahan said that Purdy was diagnosed with a contusion and nerve inflammation in his right elbow and is unlikely to be available for Sunday's game against the Cardinals, Lindsey Pallares of the 49ers' official site reports.

Purdy (shoulder) is listed as active Sunday at Buffalo, Lindsey Pallares of the 49ers' official site reports.

Purdy (shoulder) is listed as questionable for Sunday's game at Buffalo, with 49ers coach Kyle Shanahan saying Friday that he expects the QB to play, Nick Wagoner of ESPN.com reports.

Purdy (shoulder) was listed as limited on Thursday's injury report, Matt Barrows of The Athletic reports.

Purdy (shoulder) officially was limited at Wednesday's practice, Cam Inman of The San Jose Mercury News reports. However, Purdy attempted just two passes during the session, per Inman

Coach Kyle Shanahan said Purdy (shoulder) will be limited at Wednesday's practice, Nick Wagoner of ESPN.com reports.

Coach Kyle Shanahan said Purdy (shoulder) did some light throwing Monday and didn't have any issues, Nick Wagoner of ESPN.com reports.