LOS ANGELES—Amir Coffey had 18 points, Reggie Jackson scored 11 of his 13 in the fourth quarter and the Los Angeles Clippers rallied from a 25-point deficit in the second half for a stunning 87–85 victory over the Denver Nuggets on Tuesday night. Terance Mann scored nine of his 13 points in the fourth quarter for Los Angeles, which won for the fourth time in 10 games since Paul George joined Kawhi Leonard on its lengthy injured list. The Clippers won despite managing a meager 28 points in the lowest-scoring first half in the NBA this season and then falling behind 59–34 midway through the third period. Denver scored just seven points in the next 10 minutes, allowing the Clippers to mount their improbable comeback. Los Angeles tied it on Jackson’s jumper with 7:03 to play and went ahead on his 3-pointer moments later. And after the Clippers fell behind …