Sudfeld was elevated to the 49ers' active roster from the practice squad Friday.
Sudfeld will be the No. 2 quarterback Sunday against the Texans, with Jimmy Garoppolo doubtful due to a thumb injury. Sudfeld has appeared in four NFL games in his career, all with the Eagles and spread out between 2017 and 2020. The 28-year-old has completed 25 of 37 passes for 188 yards, one touchdown and an interception in his career.