The Boston Celtics' chances of repeating as NBA champions have looked very good over the past couple of months. But those chances were dealt a sizable blow on Monday when the team fell apart at home and lost Game 1 of the Eastern Conference semifinals to the New York Knicks.

The third-seeded New York Knicks and second-seeded Boston Celtics play Game 1 of the best-of-7 Eastern Conference semifinals series Monday. Tip-off from TD Garden is scheduled for 7 p.m. ET (TNT / truTV / Max).

The Boston Celtics and New York Knicks are renewing their rivalry in the second round of the 2025 NBA playoffs. It's the first playoff matchup between the teams since 2013, and Game 1 is set for Monday night in Boston.

The second round of the 2025 NBA playoffs has begun, as eight teams look to take another step closer to a title. All four rounds of the NBA playoffs are best-of-seven, and teams are not reseeded after each round.

The second round of the NBA Playoffs continue tonight with two Conference Semifinals Game 1s, as the Celtics host the Knicks and the Thunder host the Nuggets.

Capping off the night, the top-seeded, well rested Thunder, coming off a dominant sweep of the Memphis Grizzlies, faced the No. 4 Nuggets, who advanced after a hard-fought Game 7 win over the Los Angeles Clippers. Oklahoma City Thunder vs. Denver Nuggets (Series kicks off Monday at 9:30 p.m. ET)

It only took Kenny Atkinson one season to make a splash in the Eastern Conference, and he was rewarded handsomely as the Cleveland Cavaliers frontman was named the NBA Coach of the Year, it was announced on Monday.

Cleveland's Kenny Atkinson wins NBA's Coach of the Year award. The Herd with Colin Cowherd First Things First Speak Breakfast Ball The Facility