Last season, Gallant split the year between the Petes and the Toledo Walleye of the ECHL. After recording 25 points (13 goals, 12 assists) in 30 games for Peterborough, the centerman appeared in four games for the Walleye, logging four points (one goal, three assists) and helped Toledo get to the ECHL Finals. He skated in 24 playoff games and collected 12 points (six goals, six assists), finishing tied-for-fifth on the team in goals.
The six-foot-two, 192-pound native of London, Ontario was originally selected by the Detroit Red Wings (third round, 83rd overall) in the 2017 NHL Draft. He was signed by San Jose as a free agent on July 2, 2019.