Timmy Smith holds that record from when he ran for 204 yards with the Washington Redskins in Super Bowl XXII.
Timmy Smith (204 Rushing yards).
Willie Parker holds the Steelers single game rushing record with 223 yards. The record was set on December 7, 2006 against the Cleveland Browns.
Emmitt Smith holds the record for most rushing yards in a career with 18,355 yards. Eric Dickerson holds the record for most rushing yards in a season with 2,105 yards. Adrian Peterson holds the record for most rushing yards in a single game with 296 yards.
In 1992, Barry Foster set the Steelers single season rushing record with 1,690 yards.
Eric Dickerson currently holds the record for a single season by rushing 2,105 yards. When he made this record, he was playing for the Los Angeles Rams. In 2012 Adrian Peterson got just 8 yards of this record.
ricky williams 264
Eric Dickerson - 2,105 yards