The Cleveland Cavaliers fell to the Miami Heat 103-120 in a key NBA Eastern Conference clash on Thursday night at Rocket Mortgage FieldHouse. The Heat used a dominant second-half performance to pull away for a decisive road victory, strengthening their playoff positioning while dealing a blow to the Cavaliers' hopes for a higher seed in the conference standings. Miami seized control in the third quarter, going on a decisive 18-5 run fueled by stifling defense and efficient transition scoring. The Cavaliers, led by a strong first-half effort from their backcourt, struggled to contain Miami's balanced offensive attack after halftime and saw their defense repeatedly broken down in the paint. A key turning point came early in the fourth quarter when a Heat three-pointer extended the lead to 20 points, effectively sealing the game. The result sees the Heat improve their record and climb in the tightly contested Eastern Conference playoff race, while the Cavaliers will look to regroup after a disappointing home performance. Post-game, Miami's coach praised his team's defensive intensity, stating, "We locked in on our assignments in the second half and that fueled everything we did offensively." The Cavaliers' coach acknowledged the letdown, saying, "We stopped moving the ball and our energy dropped. Against a team like Miami, you can't have those lapses." The starting lineups featured Donovan Mitchell and Darius Garland for Cleveland facing off against Jimmy Butler and Bam Adebayo for Miami.