articleThe Brief Marquette beat Xavier 89-87 in the Big East Tournament quarterfinals on Thursday. Marquette will face top-seeded St. John's in Friday's semifinals. 25 Marquette rallied past Xavier 89-87 on Thursday in the Big East Tournament quarterfinals. Ryan Conwell scored a career-high 38 points for Xavier (21-11), a school record for a Big East Tournament game. SIGN UP TODAY: Get daily headlines, breaking news emails from FOX6 NewsWhat's next:Marquette advances to face top-seeded St. John's.