Sunday is a favorable matchup for San Francisco’s offense, regardless of who’s in at quarterback. Signs are pointing to Jimmy Garoppolo’s impending return from a high ankle sprain as the quarterback was a limited participant at practice leading up to Friday. With or without Garoppolo under center, the 49ers should be able to capitalize on a Dolphins defense that has struggled against the pass through four weeks of the season. Miami is allowing opposing quarterbacks a 71.5 completion percentage and 9.5 yards per passing attempt.
Through four games, San Francisco’s three quarterbacks are averaging a 69.5 completion percentage (C.J. Beathard’s appearance included) and 8.1 yards per attempt.
Miami sits near the bottom of the league, allowing 285 passing yards a game, the fourth-worst mark in the NFL. Last week against the Seattle Seahawks, the Dolphins allowed 343 yards through the