Tobias Harris' points line against the Celtics on Monday is set at 14.5, with over at +100 and under at -127.

Last Five: 9 10 20 9 26
Harris has averaged 14.3 points this season.
Harris has averaged 9.5 points in his last two games.
On the road, Harris has averaged 15.3 points this season.
He has exceeded this line in three of his last six games.
He has exceeded this line in only six of his 15 games (40.0%) this season.
On the road, he has exceeded this line in only three of his seven games (42.9%) this season.
Harris has scored 16.4 points per game in his last five appearances against the Celtics.
Harris has scored 10.5 points per game in his last two road appearances against the Celtics.
The Celtics are giving up 110.8 points per game this season - ranking 3rd in the league.

Tobias Harris' rebounds line against the Celtics on Monday is set at 4.5, with over at -149 and under at +113.

Last Five: 3 4 5 7 4
Harris has averaged 4.9 rebounds this season.
Harris has averaged 3.5 rebounds in his last two games.
On the road, Harris has averaged 5.1 rebounds this season.
He has exceeded this line in eight of his 15 games (53.3%) this season.
He has exceeded this line in five of his last 10 games.
On the road, he has exceeded this line in four of his seven games (57.1%) this season.
Harris has averaged 7.3 rebounds in his last four appearances against the Celtics.
Harris has averaged 4.3 rebounds in his last four road appearances against the Celtics.
The Celtics are giving up 43.0 rebounds per game this season - ranking T11th in the league.

Last Five: 1 4 0 1 2
Harris has averaged 2.3 assists this season.
Harris has averaged only 1.5 assists in his last six games.
On the road, Harris has averaged 2.7 assists this season.
Harris has averaged 3.5 assists in his last two appearances against the Celtics.
Harris has averaged 3.0 assists in his last two road appearances against the Celtics.
The Celtics are giving up 24.8 assists per game this season - ranking 6th in the league.

Last Five: 3 0 0 0 0
Harris has averaged 0.6 steals this season.
Harris has averaged 1.5 steals in his last two games.
On the road, Harris has averaged 0.4 steals this season.
Harris has averaged only 0.0 steals in his last two appearances against the Celtics.
Harris has averaged only 0.0 steals in his last two road appearances against the Celtics.
The Celtics are giving up 5.6 steals per game this season - ranking 1st in the league.

Last Five: 0 0 0 0 0
Harris has averaged 0.3 blocks this season.
Harris has averaged only 0.0 blocks in his last six games.
On the road, Harris has averaged 0.6 blocks this season.
Harris has averaged 1.3 blocks in his last three appearances against the Celtics.
Harris has averaged only 0.4 blocks in his last eight road appearances against the Celtics.
The Celtics are giving up 4.4 blocks per game this season - ranking 13th in the league.

Tobias Harris' three-pointers line against the Celtics on Monday is set at 1.5, with over at -117 and under at -113.

Last Five: 1 1 5 1 4
Harris has averaged 1.7 three-pointers this season.
Harris has averaged only 1.0 three-pointers in his last two games.
On the road, Harris has averaged 2.3 three-pointers this season.
He has exceeded this line in only five of his 15 games (33.3%) this season.
He has exceeded this line in only two of his last five games.
On the road, he has exceeded this line in only three of his seven games (42.9%) this season.
Harris has averaged 2.4 three-pointers in his last five appearances against the Celtics.
Harris has averaged 2.7 three-pointers in his last three road appearances against the Celtics.
The Celtics are giving up 13.6 three-pointers per game this season - ranking T19th in the league.

Looking at the First Basket market, Harris is +770.

He has scored the first basket in two of his 15 games (13.3%) this season.
He scored the first basket in two of his last five games.
Harris has scored the first basket in one of his last three appearances against the Celtics.
Harris has scored the first basket in two of his last 10 road appearances against the Celtics.
Boston has given up the first basket in 13 of 25 games this season.

Harris is +1200 to record a double-double.

Harris has recorded a double-double in zero of his 15 games (0.0%) this season.
Harris has not recorded a double-double this season.
Harris has recorded a double-double in one of his last seven road appearances against the Celtics.
There have been only 16 double-doubles recorded against Boston this season - ranking T9th in the league.
There have been 14 Points-Rebounds double-doubles recorded against Boston this season - ranking T12th in the league.
There have been 4 Points-Assists double-doubles recorded against Boston this season - ranking T11th in the league.

Harris has recorded a triple-double in zero of his 15 games (0.0%) this season.
There have been 2 triple-doubles recorded against Boston this season - ranking T18th in the league.

Tobias Harris NBA Player Props: Boston Celtics vs Detroit Pistons (December 15, 2025)