Since 2013, NHL home underdogs off a home win are just 85-129 (39.7%; -9.6% ROI) versus opponents entering off a road win, including 23-45 (33.8%; -20.1% ROI) since 2020. Since 2018, NHL underdogs off back-to-back home wins are 29-49 (37.2%; -10.2% ROI) versus opponents off a road win...