BOSTON – (Source: Official Team News Release) – The Boston Celtics extended the contract of center Robert Williams III. Per team policy, terms of the deal were not disclosed.
“Rob has worked hard to turn himself into a very impactful player, and his talent and selfless play give him an even higher upside to reach going forward,” said Celtics President of Basketball Operations Brad Stevens. “Rob has embraced being a Celtic from day one. He is a great teammate and is completely committed to getting better. We’re excited that he will continue to do so here in Boston.”
Originally selected by the Celtics in the first round (27th overall) of the 2018 NBA Draft, Williams III has averaged 5.7 points on 72.0% shooting, 5.0 rebounds, 1.1 assists, 0.7 steals, 1.5 blocked shots, and 14.7 minutes in 113 games (16 starts) over three seasons in Boston. He has increased his scoring, rebounds, and assists in each year since joining the NBA.
Playing in a career-best 52 games (13 starts) in 2020-21, Williams III produced a career highs in points (8.0 ppg), rebounds (6.9 rpg), assists (1.8 apg), steals (0.8 spg), blocked shots (1.8 bpg) and minutes (18.9 mpg) last season. The Shreveport, LA native tallied a career-high 20 points on a perfect 9-of-9 shooting on April 2 vs. Houston, making him the first Celtics player in franchise history to produce 20+ points, 8+ rebounds, and 8+ assists while shooting 100% from the field.
Williams III set (modern-day) franchise marks during the 2021 NBA Playoffs as well, becoming the first Celtics player ever to record nine blocked shots in a postseason game during the team’s series-opening game against the Nets on May 22. He played in three games during that First Round matchup, averaging 6.3 points (64.3% FG), 5.0 rebounds, and 15.3 minutes. (Note: Legendary Celtics center Bill Russell surely topped the numbers in the days before the NBA charted blocks).



Barnes, 31, has spent his entire career in the Red Sox organization since Boston selected him in the first round (No. 19 overall) of the 2011 June Draft. In 362 career major league appearances (two starts), the right-hander is 30-23 with 34 saves, a 3.94 ERA (164 ER/374.1 IP), and 500 strikeouts. His 360 relief outings rank fourth in Red Sox history behind only Bob Stanley (552), Mike Timlin (394), and Jonathan Papelbon (393), while his 362 total appearances rank eighth.
“We can’t wait to bring live hockey action back to Portland this fall, and we know that Mariners fans will be thrilled to watch players from the Bruins organization playing right here in Maine,” said Mariners President Danny Briere.
“I would like to welcome Ime, Nia, Kez, and Massai to the Boston Celtics. Among the many outstanding qualities that Ime brings to the table are his character, humility, and competitiveness. He has a relentless work ethic and a vast array of experiences as a player and coach,” said Celtics President of Basketball Operations Brad Stevens. “He’s a leader that is warm and demanding, and we are so excited that he has chosen to join us in pursuit of Banner 18.”