The Pacers got off to a slow start this season but have been hot of late, winning five straight before losing narrowly to the West-leading Thunder.

Jrue Holiday (right shoulder impingement), who missed the Christmas game against Philadelphia, and Kristaps Porzingis (left ankle sprain), who left Wednesday’s game early, are both listed as questionable.

The start date is Friday at 7:30 p.m. Here’s a preview.

UPDATE: Shortly after 6 p.m., the Celtics announced that both Holiday and Porzingis would be out for Friday’s game.

When: Friday, 7:30 p.m

Where: TD Garden, Boston

TV, radio: NBA TV, NBCSB, WROR-FM 105.7

Line: Boston -12.5. O/U: 231.5.

Pacemaker

Season balance: 15-16. vs. spread: 13-17, 1 push. Over/Under: 18-12, 1 push

Last 10 games: 6-4. vs. spread: 6-4. Over/Under: 3-6, 1 push

Celts

Season balance: 22-8. vs. spread: 11-19. Over/Under: 13-16, 1 push

Last 10 games: 6-4. vs. spread: 3-7. Over/Under: 3-7

TEAM STATISTICS

Points per game: Indiana 114.7, Boston 118.9

Points allowed per game: Indiana 116.0, Boston 109.8

Field goal percentage: Indiana .489, Boston .456

Opponent field goal percentage: Indiana .474, Boston .457

3-point percentage: Indiana .376, Boston .365

Opponent’s 3-point percentage: Indiana .362, Boston .354

Statistics of the day: The Celtics have lost five home games, more games than they lost at TD Garden all of last season (37-4).

Notes: The Celtics are 3-4 in their last seven games. “We play inconsistent basketball, so we have to be better on both ends,” coach Joe Mazzulla said. “I need to be more consistent on both ends of the court.” … Indiana will try to beat Boston for the second time this season. On October 30, Pascal Siakam hit six 3-pointers, one of which broke the tie with 6.1 seconds left in overtime, giving the Pacers a 135-132 victory over the Celtics in Indianapolis. … The Pacers could be without Obi Toppin against Boston. The forward sprained his left ankle in the first quarter against the Thunder and was carried off the field. He returned for four minutes in the second quarter but did not play in the second half.

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Amin Touri can be reached at [email protected].