In the 1934 Rose Bowl, Grayson rushed for 152 yards, a Rose Bowl record. Ernie Nevers said Grayson was "the best back I've ever seen." Grayson set numerous Stanford records. He set the record for most interceptions in a single game with four (two of which he returned for touchdowns) in a 1934 game against the University of Washington. His career total of 1,547 rushing yards in 405 carries established a Stanford record that stood for 20 years. A historical account of Grayson's accomplishments published by the LA84 Foundation notes: