OKLAHOMA CITY — The Denver Nuggets led comfortably for most of the final three quarters of their preseason finale against the Oklahoma City Thunder . Head coach Mark Daigneault said improvement is a necessity for the champions before watching Ousmane Dieng and the Thunder, who hadn't led since the beginning of a second quarter, grab its first second-half lead with 1:42 left in the final frame.

The young Thunder squad erased a 16-point deficit before the Nuggets tied the game with 13 seconds left. Dieng scored 13 of his 17 points in the final frame, including the game-winning three as the game clock expired in a 94-91 Thunder preseason victory.

“It was a fast break. The game was tied. We had to shoot it,” Dieng said. “With the great defense, I wanted to shoot the first one. So, I had

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