The Boston Celtics have taken a “no ceilings” approach to Jayson Tatum’s recovery, and it’s easy to see why.

Tatum has aggressively attacked his rehab from the very beginning. He underwent surgery in New York less than 12 hours after rupturing his Achilles tendon at Madison Square Garden in Game 4 of the Celtics’ second-round playoff series with the New York Knicks. He spent essentially his entire offseason in Boston, working out regularly at the Celtics’ training facility under the guise of trainers and medical staff. And about four months after his initial injury, he’s already participating in basketball drills, which he documented in an eye-opening YouTube video over the weekend.

Tatum’s recovery has impressed his Celtics teammates, several of whom admitted to Insider Chris Forsberg at Monday’s Media Day that they were surprised to see the All-Star forward going through a basketball workout this soon after a surgery that keeps many players sidelined for a full year.

While Tatum is the latest in a long line of NBA players who suffered Achilles injuries — most notably Dejounte Murray, Damian Lillard and Tyrese Haliburton this past season — Forsberg believes Tatum could set a new standard with how swiftly he recovers.

“I think we’re watching something potentially unprecedented in terms of how quickly he can get back to a high level,” Forsberg said Monday on Arbella Early Edition. “There are still a lot of hurdles to go. It’s still a long time. I don’t think they’re going to rush this at all. But you can’t watch that video and then say, ‘Oh, a 200-day season and he’s not going to be back.'”

Tatum’s surgery was performed by Dr. Martin O’Malley, a renowned surgeon who reportedly has performed a special type of Achilles surgery called the “SpeedBridge” repair that can lead to a faster recovery time. It’s still unclear whether Tatum had that specific procedure, but nonetheless, he seems to be on the cutting edge of his rehab in several respects.

“You have to understand, they got him into surgery at an unprecedented rate,” Forsberg added. “No one has ever torn their Achilles and then been into surgery less than 12 hours before. Nobody who has (had) this injury in the NBA has gotten this Speedbridge procedure in that situation and then been back to rehabbing on this aggressive timeline.

“This might set a precedent for how we view this injury, and I know that’s daunting, because you never want to be the first one … but every indication is, he is progressing at a rate where we at least have to think about these conversations.”

Tatum admitted he has a date circled on his calendar for when he wants to be “100 percent,” and that he plans to make his return at a home game. So, what might that date be? It’s all speculation for now, but Forsberg is revising his initial prediction of March 4.

“I’m gonna move it up. I’m into February now, and maybe I’ll be in January at some point,” Forsberg said. “I can’t watch that tape and not think to myself he’s going to be back on a basketball court sooner than later, as long as everyone is confident he cannot re-aggravate this injury, and he is at a point where the strength is enough.”