Boston's five-game streak meets a depleted Dallas team on a back-to-back

Boston arrives with five straight wins, both overall and at home, and faces a Dallas team that is 7-5 and 10th in the Western Conference. The central question is how much a short turnaround and a thin injury report weigh on the visitors. Dallas played at Minnesota on Thursday and was due in Cleveland on Saturday, so this 6:00 PM ET start at TD Garden comes on the second night of a back-to-back.

The two meetings earlier this year went Boston's way: a 110-100 win at Dallas on 2026-02-04 and a 120-100 win at home on 2026-03-07. Both were comfortable margins, but they are months old and carry only modest weight against current form. Boston's streak is also less tidy than it looks. Wednesday's 98-93 win over Toronto required overcoming a 22-point deficit, which shows resilience but also a very slow start. The Celtics have failed to cover three straight at home, so winning and covering have not gone together during this run at TD Garden.

Dallas's freshest result is a 133-94 loss at Minnesota on Thursday, the Timberwolves' most lopsided win of the season. That is a rough way to enter a compressed schedule, and a 7-5 record suggests the Mavericks had been winning more often than not before it. One bad night is a small sample, but it came ahead of a quick turnaround.

Dallas's injury list is the bigger concern. Center Dereck Lively II (foot), forward Sergio de Larrea (knee) and forward Tarik Biberovic (heel) were all ruled out ahead of Thursday's game. Guard Max Christie (ankle) was downgraded to doubtful for Saturday, and forward Morez Johnson Jr. (left shin contusion) was listed as probable. Whether any of them plays tonight is unsettled. Boston has no reported injuries.

Two factors are likely to decide the game. The first is Dallas's depth: with three players ruled out as of Thursday and a fourth doubtful on Saturday, the Mavericks have fewer options for a back-to-back. The second is Boston's start: if the Celtics fall behind early again, Dallas has been covering on the road after losses, though Boston erased a 22-point hole Wednesday.

Dallas's spread and total streaks pull against the scoreboard picture. The Mavericks have covered three straight on the road after a loss and gone under the total in three straight such games, plus three straight unders in non-division, non-conference road games. These are descriptive runs, not predictions, and they overlap with each other. Boston's form and head-to-head record point one way, Dallas's recent cover record points the other. This is a form-and-schedule case rather than a matchup case, and the evidence is thin.