The Bucks’ Giannis Antetokounmpo dunks during the second half against the Orlando Magic on Monday in Milwaukee. (AP photo)

MILWAUKEE — After outscoring opponents by an average of 34 points in their previous four games, the Milwaukee Bucks found out right away things would be tougher Monday when their first two shots were blocked.

That slowed the Bucks down, but they still can’t be stopped.

Giannis Antetokounmpo had 32 points and 15 rebounds to lead Milwaukee to its 15th straight victory, 110-101 over the Orlando Magic.

“Sometimes, it’s good to have close games. You learn from that. You get used to being in close games and not always winning by 20 or 30,” said Antetokounmpo, the reigning MVP. “We got the win, we grinded it out and played defense, but I think the two days in between made us a little bit rusty.”

The Bucks were off Saturday and Sunday.

They outrebounded Orlando 54-44, angering Magic coach Steve Clifford.

“You can’t come on the road and get smacked on the glass like that. There’s got to be some physicality,” he said.

“Too man hustle points, second-chance points,” added Aaron Gordon, who had 13 rebounds and 10 points.

Khris Middleton scored 20 points for Milwaukee and Dante DiVincenzo added 12 points off the bench.

Evan Fournier had 26 points for the Magic, who had won four straight. Terrence Ross scored 23.

Ross hit a 3-pointer and was fouled by Eric Bledsoe with 50 seconds left to cut the Bucks’ lead to 107-101, but he missed the free throw. Then Middleton put away the game by responding with a 3-pointer.

At 21-3, Milwaukee is tied with the Los Angeles Lakers for the NBA’s best record.

The Bucks’ first two shots were rejected by Magic forward Jonathan Isaac, the league’s leading shot blocker. In all, Isaac recorded four blocks against four different players before the game was 8 1/2 minutes old. He finished with five blocks.

Despite the rough start, the Bucks surged to a 31-18 lead after a 14-0 run late in the first quarter, with forward Ersan Ilyasova sinking two 3-pointers. They led 52-40 at halftime.

Orlando shot just 29.5% from the field, including 14.3% from behind the 3-point line, in the first half.

“I think our defense, even though I didn’t love the way we played tonight, our first-half defense kind of carried us through,” Bucks coach Mike Budenholzer said.

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TIP-INS

Bucks: Entered Monday leading the league in points (121) and rebounds (51.8) per game…. Guard George Hill entered Monday leading the league in 3-point field-goal percentage (.516).