“We’re definitely frustrated because we feel like we should’ve won this game,” Beal said.

Here are five reasons behind the frustration:

1. Washington couldn’t annoy, nor stop, Goran Dragic

Heat point guard Goran Dragic sat for more than 10 minutes in the third quarter with foul trouble. By the start of the fourth quarter, Wizards forward Kelly Oubre Jr. had the assignment in defending him. However, neither the long stay on the bench nor the lanky Oubre did much to slow down Dragic.

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Overall, Dragic faced three different defenders and hit five of eight shots in the fourth quarter. Even as Dragic became the latest to join the Oubre fan club (opponents who have grown agitated by the second-year player), he remain undeterred.

“I wasn’t trying to get him angry, I was just trying to stay close to him,” Oubre said, “and he really didn’t like that.

“He didn’t like how close I was to him, but that was just a tactic I was trying to do guarding him, because he’s a great player and great matchup.”

The two got tangled up on the ground, then chirped back and forth to earn double technical fouls with 7:10 remaining in the game.

Soon following the kerfuffle, Dragic was composed enough to drain a 14-footer and finished with 13 points in the quarter.

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2. James Johnson became an unlikely difference maker

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Johnson had missed the last four games with an injured shoulder and was considered a game-time decision Monday. But by the fourth quarter, Johnson became Dragic’s accomplice in overwhelming the Wizards.

Johnson, a 6-foot-9 forward, scored in the pick-and-roll or in transition and scored 10 of his 14 points through the fourth quarter. Though Washington sat center Marcin Gortat to match playing small, the defense still struggled to find an answer against Johnson, a big who can dribble and shoot.

“It’s a learning lesson. We never really dealt with a four-man or five, at the time, playing the pick-and-roll and handling the ball and playing small the way they were,” Beal said. “We just got to find a will to win. That’s all it is.”

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3. Sloppy at the worst times

Monday wasn’t the Wizards’ sloppiest game — just 15 turnovers — but the mistakes happened at inopportune times.

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After the midway point of the fourth quarter, trailing by five points with a chance to make it a one-possession game, Wall decided to go with a no-look, behind-the-back pass to Markieff Morris standing at the top of the key. Instead, Dragic intercepted the pass, and Morris had to commit a foul to stop the break. Dragic made the two free throws, and on the Wizards’ next possession, the shot clock ran out. These two possessions didn’t bury the Wizards — Otto Porter Jr. and Wall soon scored again to cut the deficit back to five — but the turnovers didn’t help.

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4. Rebounding by committee should start with the bigs, but it didn’t vs. Miami

Wall grabbed six rebounds and Oubre — a slight-framed forward — pulled down five more. Between this pair, Washington had more rebounds from its wings than it did from two starting frontcourt players (Porter, four; Morris, five). While Gortat finished with 10 to continue his season-long crusade as a top-five rebounder, the rest of the Wizards offered little help under the boards and Miami finished with a sizable 47 to 36 rebounding edge.

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5. Another heavy load for the starters