[1] In three seasons as Erath's starting running back, Mitchell rushed for 4,045 yards and 50 touchdowns on 457 carries.
Mitchell rushed for 257 yards and four touchdowns on 42 carries as a freshman before breaking a bone in his foot and missing the rest of the season.
[13] Mitchell made his NFL debut in the season-opening 41–33 road victory over the Detroit Lions, finishing with 19 carries for 104 yards and a touchdown.
[21] During the Divisional Round against the Green Bay Packers, Mitchell had 17 carries for 53 yards in the 13–10 road victory.
[22] In the NFC Championship Game against the Los Angeles Rams, he recorded three receptions for 50 yards as the 49ers narrowly lost on the road by a score of 20–17.
[27] In the 2022 season, Mitchell appeared in five games and had 45 carries for 279 yards and two touchdowns, which both came in the regular-season finale against the Arizona Cardinals.
[29] During the Wild Card Round against the Seattle Seahawks, Mitchell recorded two receptions for 25 yards and a touchdown in the 41–23 victory.