Mearns was an All-American NCAA lacrosse player at Canisius College from 1990 to 1992 who is currently 20th all-time in Division I career points-per-game (PPG), having scored 95 goals and 95 assists for 190 career points in 39 games.
Mearns's impressive lacrosse skills were showcased during his time at Canisius College from 1990 to 1992, where he earned a reputation as one of the top players in Division I history. His 95 goals and 95 assists contributed significantly to his overall scoring average of 190 points over 39 games.