Boston Celtics center Kelly Olynyk (41) drives to the basket against Minnesota Timberwolves forward Gorgui Dieng (5) during the first quarter of an NBA game in Boston, Wednesday, March 15, 2017. (AP Photo/Charles Krupa)
Boston Celtics center Kelly Olynyk (41) drives to the basket against Minnesota Timberwolves forward Gorgui Dieng (5) during the first quarter of an NBA game in Boston, Wednesday, March 15, 2017. (AP Photo/Charles Krupa) Credit: Charles Krupa

BOSTON — Isaiah Thomas scored 27 points to lead the Boston Celtics past the Minnesota Timberwolves 117-104 on Wednesday night.

Al Horford added 20 points, nine rebounds and eight assists for the Celtics, who earned their 11th straight home win over Minnesota. Boston also increased its lead to 1 1/2 games over the Washington Wizards for the second seed in the Eastern Conference.

Ricky Rubio had a season-high 23 points to lead the Timberwolves, who dropped to just 10-21 on the road this season.

Boston led by eight entering the fourth quarter, but outscored Minnesota 32-27 in the final 12 minutes.

The Celtics got a 3-pointer from Jaylen Brown and a layup by Jonas Jerebko to extend their lead to 13 at the start of the fourth. That lead grew to as many as 19 at one point.

Both teams shot over 50 percent in fast-paced first half.

The Timberwolves led 60-58 at the break and were aggressive throughout the half, leading by as many as 10 points and outscoring the Celtics 24-18 in the paint.