Nets guard Joe Harris puts in a layup for two...

Nets guard Joe Harris puts in a layup for two points against the Sacramento Kings in the first half of an NBA basketball game at Barclays Center on Monday, Jan. 21, 2019. Credit: Kathleen Malone-Van Dyke

BOSTON — The Nets’ seemingly never-ending game of roster roulette continued Monday night when they faced the Celtics at TD Garden while coping with a multitude of injuries.

The good news was that Joe Harris was available to start despite a sore right hip, but power forward Treveon Graham was sidelined by a lower-back injury and replaced in the starting lineup by Rondae Hollis-Jefferson.

Earlier in the day, Spencer Dinwiddie underwent what the Nets described as “successful surgery to repair ligaments in his right thumb. The procedure was performed by Dr. Michelle Carlson at the Hospital for Special Surgery.”

Coach Kenny Atkinson texted back and forth with Dinwiddie during the day, joking that the guard sent him a suggestion on something to use against the Celtics. “I said, ‘Just take care of your thumb,’ ” Atkinson said. “But he’s in good spirits. I hope it goes well and he’s back soon.”

Atkinson offered no timeline for Dinwiddie’s recovery, which has been pegged at three to six weeks in several reports, but Dinwiddie made a cryptic reference to it on Twitter. He said he will go on strike if the NBA doesn’t select Harris to participate in the three-point shooting contest during All-Star Weekend. Then he added the punch line in parentheses: “(And I will not re-evaluate this decision for approximately 3 weeks).”

Asked if there is a breaking point in the face of mounting injuries, Atkinson said, ‘We can’t think that way. When Caris [LeVert] got hurt, it was a little shock to the system for all of us because he was playing out of his mind, he was playing great. We were kind of knocked back by that, and it was followed by that losing streak. But since then, as guys have been in and out of the lineup, that’s kind of part of our maturity and our confidence. Guys are not looking for the guy that’s out but doing it themselves. We’ve grown in that sense, I think.”

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