Substitute left halfback Sandy Dodge suffered a severe shoulder injury in practice yesterday and will be lost to the Crimson for three or four weeks, according to Coach Lloyd Jordan. Dodge, who filled in behind Walt Stahura in the three games this season, was a standout tailback last year for the '59 freshman squad.

Marsh Levin moved up to second team to fill Dodge's place. His injury came in a muddy contact scrimmage between the A and B teams.