Per Shams Charania of The Athletic and Stadium, Grant is considered one of the Celtics' "top" targets leading up to the March 25 trade deadline.
Despite having the worst record in the Eastern Conference heading into the All-Star break (10-25), there's been no indication at this point that the Pistons are actively shopping Grant.
General manager Troy Weaver acquired Grant in a sign-and-trade deal with the Denver Nuggets in November. The 6'8", 210-pound forward in the first season of a three-year, $60 million contract that is looking like a bargain thus far.
Grant is averaging career highs in scoring (23.4 points), rebounding (5.3) and assists (2.9). The 26-year-old is also shooting 36.3 percent from three on a personal-best 6.8 attempts per game.
In-season trades haven't historically been something that Boston general manager Danny Ainge have done. His most recent player-for-player midseason deal was the Isaiah Thomas trade in February 2015 if one doesn't count the Jabari Bird contract dump in 2019 for cash.
The Celtics have been one of the most disappointing teams in the NBA after reaching the Eastern Conference Finals last season. They're currently No. 4 in the East but have lost 11 of their last 19 games after a 10-6 start.
Boston has won its last three games to get back over .500 (18-17), but the roster is very thin behind Jayson Tatum and Jaylen Brown. Marcus Smart is expected back at some point after the All-Star break after missing the past 17 games with a strained calf.
Kemba Walker has been scuffling in 19 games since returning from a knee injury in January. The point guard is averaging 18.6 points per game, but he's only shooting 38.9 percent from the field. During the current winning streak, the 30-year-old has averaged 26.0 points, 6.7 assists and 4.0 rebounds while shooting 44.8 percent from three.