DENVER — Michael Porter Jr. hit a mid-range jumper with seven seconds left and the Denver Nuggets won their fifth straight, 122-120 over the Dallas Mavericks on Sunday night.Nikola Jokic had 37 points, 18 rebounds and 15 assists for his fourth straight triple-double and his NBA-best sixth this season. Jamal Murray had 18 points and Porter finished with 17.Kyrie Irving had a season-high 43 points for Dallas. Luka Doncic added 24 points and Daniel Gafford had 16.Trailing by three going into the final period, Dallas got three 3-pointers in a row from Irving to take a 105-102 lead with 8:46 left to play. The teams kept trading shots to keep it close the rest of the way. Irving’s bank shot gave Dallas a 120-118 lead with 1:39 left but Jokic then had a tying tip-in and ahead of Porter’s winning shot. Irving missed a 3-point try at the buzzer.Down by 10 midway through the first quarter, Dallas outscored Denver by nine points in the second period and led 63-60 at halftime.Mavericks: Irving and Doncic spearheaded the Mavericks’ strong offensive play which just came up short.Nuggets: Sparked their offense with effective 3-point shooting, making 14 of their 29 attempts (48.3 percent). Peyton Watson was 4 of 4 from 3-point range.Dallas, already without injured P.J. Washington (knee), Dereck Lively II (shoulder) and Dante Exum (wrist), feared Doncic would be held out with a left groin strain. But he showcased his mobility and shooting …
