The San Antonio Spurs survived a late push from the Cleveland Cavaliers to secure a narrow victory, improving to a 7-4 record this season.
The NBA champions had a slender lead heading into the final 18 seconds before LeBron James tried to drive to force a game-tying shot for the hosts, but the Spurs forced a turnover.
After cancelling out an early lead by Charlotte, the hosts were level heading into the final seconds when Rodney Stuckey got the ball and launched it for the Pacers, leaving Hill to tip it in.
Monta Ellis scored 24 of his 34 points in the second half to keep the Mavericks in the game, before Nowitzki, who had to have his ankle strapped moments earlier, made his shot in the final 80 seconds.
Terrence Ross added 14 of his 16 points in the final 12 minutes as the Raptors outscored their opponents by 10 in the fourth quarter, leaving them with seven wins from their eight home games so far this season.
The home side opened up a big lead in the second quarter, led by Kevin Martin with 37 points to end their five-game losing streak.
The Suns were eight points clear inside the final two minutes before Kentavious Caldwell-Pope and Brandon Jennings put Detroit ahead with 35 seconds to go, but Eric Bledsoe made an easy shot to make sure of the win.
Denver were 14 points up heading into the fourth quarter, led by Wilson Chandler, before Serge Ibaka brought the Thunder back into contention late on, but Chandler added a late three-pointer to put the win beyond doubt.
The visitors came from behind in the second half to force overtime, before Brandon Knight added a tying three-pointer in the second extra spell before scoring the game-winning free throws.
Results in full: San Antonio Spurs 92-90 Cleveland Cavaliers, Charlotte Hornets 86-88 Indiana Pacers, Los Angeles Clippers 114-90 Orlando Magic, Boston Celtics 101-90 Philadelphia 76ers, Dallas Mavericks 105-102 Washington Wizards, Milwaukee Bucks 122-118 Brooklyn Nets, Phoenix Suns 88-86 Detroit Pistons, Memphis Grizzlies 92-96 Toronto Raptors New York Knicks 99-115 Minnesota Timberwolves, Oklahoma City Thunder 100-107 Denver Nuggets, Los Angeles Lakers 98-92 Houston Rockets