Robert Griffin III has the most rushing yards by a rookie quarterback in a game, with 138 yards against the Vikings on October 14, 2012.

which rookie qb has the most rushing yards in a game
Interpreted as:
Which rookie qb has the most rushing yards in a regular-season game?
10/14/2012Griffin12/2/2018Allen10/8/1961Kilmer11/3/1935Shepherd11/18/2018Jackson10/15/1961Kilmer10/13/1946Harmon12/6/2015Mariota12/10/2000Brooks12/13/2020Hurts10/23/2016Hogan10/1/1961Kilmer12/9/2018Allen11/25/2018Allen12/6/1964Concannon11/5/1961Tarkenton11/2/1958Reynolds12/30/2018Allen12/16/2018Jackson1/2/2011Tebow10/6/2019Murray10/18/1964Mira138135131129119115114112108106104103101999999999595949393
Results may be incomplete. StatMuse has complete game-level data for rushing yards going back to the 1960 season.

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