Weigh-In Results: Mary Spencer vs. Mikaela Mayer TOMORROW at 8 p.m. ET/5 p.m. PT LIVE on Top Rank Classics FAST Channel Montreal Casino (Montreal, Canada) (Top Rank Classics FAST Channel, 8 p.m. ET/5 p.m. PT)    • Mary Spencer 152.8 lbs vs. Mikaela Mayer 151 lbs(Spencer’s WBA Super Welterweight World Title and Vacant WBC & WBO Titles — 10 Rounds) • Wilkens Mathieu 167.6 lbs vs. Shakeel Phinn 166.9 lbs(NABF & WBC