MIAMI—The Knicks have been streaky all season, seemingly unable to find any real consistency from week to week. But it’s understandable if fans are beginning to buy into the team and its improved play of late.

Heading into Wednesday’s game against the Miami Heat, the Knicks had won three of their last four, including back-to-back victories over Atlanta and a solid win over Detroit, a pair of winning teams currently in playoff position. Carmelo Anthony and Arron Afflalo, the Knicks’ two best scorers, are playing their best...