Dallas' new deep threat: Keys to pivotal Game 4

The Celtics bounced back in Cleveland, while the Mavs got another win closer to an upset of the top-seeded Thunder. What lies ahead in Monday's Game 4s?

Doncic vs. Dort, backcourt battles: Biggest factors in Thunder-Mavs, Celtics-Cavs series

Our experts reveal the biggest factors to watch heading into each second-round playoff series.