Defender Dominic Bell scored the game winning goal in the 90th minute to give Western a 2-1 comeback win over Brock on Sunday afternoon in St. Catharines, Ont.
The Western Mustangs finish in second spot in the in OUA West with 11-1-4 record.
Kosta Krajnick scored three minutes into the game for the host Badgers before Pat Mroczeck, a St. Catharines, Ont., native tied the game five minutes later.
Bell scored in the final stages of the game after Ivan Mak was sent off for his second yellow card.
Western is ranked No. 7 in the CIS.
The Mustangs will play in the OUA semi-finals on Saturday, Oct. 30 at 3 p.m.
