What you need to know about the Celtics summer league

The summer league promises an early look at Celtics first-round pick Robert Williams.

Robert Williams Celtics
Robert Williams III practices with the Celtics summer league team. –Pat Greenhouse/Globe Staff

On Friday night, the Boston Celtics face the Philadelphia 76ers in a scintillating matchup that will decide which club will own the Eastern Conference for the foreseeable LeBron James-less future.

Not quite.

What the first summer league game does promise, though, is an early look at Celtics first-round pick Robert Williams and the young players that could play key roles in the rotation next season.

Boston will be coached by Celtics assistant Jay Larranaga, who has managed their summer league teams in the past and was recently named one of Gregg Popovich’s assistants for an upcoming Team USA camp. On the court, second-year phenom Jayson Tatum will not be taking part after appearing in 99 games during the team’s run to the conference finals in his rookie season.

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Here’s what you need to know about the MGM Resorts NBA Summer League in Las Vegas:

How to watch

For the Celtics’ first and third games, NBC Sports Boston will carry the live action with Tommy Heinsohn, Kyle Draper, and A. Sherrod Blakely on the call. Both games will also be streamed live on NBCSportsBoston.com and via the NBC Sports App. NBA TV is scheduled to broadcast Boston’s second game.

Celtics schedule

Celtics vs Philadelphia 76ers, Friday, July 6, 7:30 p.m.

Boston takes on the Sixers in a rematch of their second-round playoff series. Philadelphia’s two first-round draft picks, Zhaire Smith and Landry Shamet, will suit up. So will Furkan Korkmaz, who was selected with the 26th overall pick in 2016 and averaged 14.6 points per game in Las Vegas last summer.

Celtics vs. Denver Nuggets, Saturday, July 7, 11 p.m.

Michael Porter Jr. is still struggling with the back issues that caused him to fall to the No. 14 pick in the draft, so the top prospect will not be playing in Vegas. However, the Nuggets will send out Malik Beasley, last year’s first-round selection, as well as Tyler Lydon and Thomas Welsh.

Celtics vs. Charlotte Hornets, Monday, July 9, 7 p.m.

Miles Bridges, Charlotte’s top draft pick (No. 12 overall), is expected to take the court alongside Malik Monk. Monk missed his rookie summer league last year due to an ankle injury, but the former Kentucky star will play this time around.

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Playoffs, TBD

Each team in the league is guaranteed five games, including the three aforementioned contests. The teams are seeded in a tournament that begins on July 11 and concludes with the Championship Game on Tuesday, July 17. If the Celtics win their first playoff game, they’ll move on. If they lose, they’ll play a consolation game then get back to their offseason workouts.

Celtics roster

26. Jabari Bird: Guard, second year

30. Guerschon Yabusele: Forward, second year

37. Semi Ojeleye: Forward, second year

38. Daniel Dixon: Guard, rookie

39. Jarell Eddie: Forward, fourth year

40. Justin Bibbs: Guard, rookie

44. Robert Williams: Center, rookie

45. Kadeem Allen: Guard, second year

47. Demitrius Conger: Forward, rookie

48. Jordan Loyd: Guard, rookie

49. Pierria Henry: Guard, rookie

63. Hassan Martin: Forward, rookie

64. Jarrod Uthoff: Forward, second year

Correction: A previous version of this article incorrectly stated newly signed Celtic Brad Wanamaker would play on the summer league team. On Tuesday, The Boston Globe’s Adam Himmelsbach reported the overseas star was not expected to play. However, he did practice with the team.