Gary Weiss (Thunder Bay, ON) lost 5-4 to Al Hackner (Thunder Bay, ON) in the Final of the TBayTel Major League of Curling, held October 11 - January 27, 2018 in Thunder Bay, Ontario. Advancing directly to the semifinals, Weiss won 4-3 over Mike Pozihun (Thunder Bay, ON) to advance to the championship game. of the 2017 TBayTel Major League of Curling in Thunder Bay, Ontario;
 
Weiss finished 10-3 in the 0-team qualifying round. . In their opening game, Weiss defeated Hailey Beaudry (Thunder Bay, ON) 9-6, then won 7-5 against Ben Mikkelsen (Thunder Bay, ON) and 5-4 against Mike McCarville (Thunder Bay, ON). Weiss went on to lose 5-3 against Pozihun. Weiss responded with a 6-2 win over Krista McCarville (Thunder Bay, ON). Weiss won 6-4 against Hackner, then won 7-2 against Allen Macsemchuk (Thunder Bay, ON). Weiss went on to lose 6-5 against Colin Koivula (Thunder Bay, ON). Weiss responded with a 7-1 win over Larissa Mikkelsen (Thunder Bay, ON). Weiss went on to lose 6-2 against Hackner. Weiss responded with a 6-3 win over Mikkelsen. Weiss won 6-2 against Pozihun, then won 8-0 against McCarville in their final qualifying round match.
 
. For week 25 of the event schedule, Weiss did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Weiss ranks th overall on the Year-to-Date rankings with points earned so far this season.