Cleveland Cavaliers vs Dallas Mavericks Head-to-Head

Cavaliers built their historical edge pre-1996, winning 20 of 31 decided meetings (65%). In the modern era they are 28-30 against each other (48% Cavaliers). Games average a 12.2-point winning margin, with the largest decided blowout coming via Cavaliers' 43-point win. Across the last 20 decided meetings Cavaliers hold a 11-9 edge, suggesting the modern balance leans their way. The 2000s produced the deepest sample with 21 recorded meetings, more than any other decade in the series and the era that anchors most of its statistical character. Their first recorded meeting fell in 1980, so the rivalry has now spanned 46 seasons of league history. Most recent result: Mavericks won 130-120 on Mar 15, 2026. Through the 2020s Cavaliers have led 8-4 between the teams.