In August 1991, he was thought to be out for the rest of the season after injuring his ankle ligaments in a training session, only to return for the major semifinal. However, despite his problems during the season, Geyer helped the minor premiers into the Grand Final where they gained revenge on Canberra with a 19-12 win that saw the Panthers win their first premiership since entering the competition in 1967. Geyer had a hand in all three of the Panthers tries on the day and was judged to be their best player, though his sin-binning for dissent by referee Bill Harrigan during the second half was thought to have cost him the Clive Churchill Medal as man of the match.