-- QB Thomas Sirk ruptured his Achilles tendon during a workout last February .
QB Thomas Sirk started 12 of 13 games last season and finished with the No. 3 total offense average ( per game ) in Duke history .
-- QB Thomas Sirk , who started 12 of 13 games last season and finished with the No. 3 total offense average ( per game ) in Duke history , ruptured his Achilles tendon during a workout last February .