49ers sign Sincere McCormick, waive Jordan Mims

The San Francisco 49ers signed running back Sincere McCormick and waived Jordan Mims on June 10, 2026. McCormick returns to the team for his third stint, having spent time on the practice squad last season and in the offseason. He originally joined the NFL as an undrafted rookie with the Raiders in 2022 and has also been with the Cardinals, Broncos, and Vikings. Mims, who joined the 49ers earlier this year, has also played for the Bills, Saints, and Titans over the past three seasons.

• 9:40 PMYahoo Sports — 49ers continue to play musical chairs at running back after releasing Jordan Mims
• 9:24 PMYahoo Sports — 49ers bring back RB Sincere McCormick, cut RB Jordan Mims