Nick Jungfer from BasketballForever wrote an article The Most Unlikely 50-Point Games In NBA History, which overviews grand performance by Corey Brewer, Mo Williams, Terrance Ross, Andre Miller, Tony Delk and Brandon Jennings. Brief review:
COREY BREWER (MINNESOTA TIMBERWOLVES) – 51 points
51 points, 2 rebounds, 6 steals, 19-30 FG (45 minutes)
Timberwolves 112 – Rockets 110
April 11, 2014
MO WILLIAMS (MINNESOTA TIMBERWOLVES) – 52 points
52 points, 7 assists, 4 rebounds, 19-33 FG, 6-11 3P (44 minutes)
Timberwolves 110 – Pacers 101
January 13, 2015
TERRENCE ROSS (TORONTO RAPTORS) – 51 points
51 points, 9 rebounds, 16-29 FG, 10-17 3P (44 minutes)
Toronto Raptors 118 – Los Angeles Clippers 126
January 25, 2014
ANDRE MILLER (PORTLAND TRAIL BLAZERS) – 52 points
52 points, 5 rebounds, 2 assists, 2 steals, 22-31 FG (42 minutes)
Portland Trail Blazers 114 – Dallas Mavericks 112
January 30, 2010
TONY DELK (PHOENIX SUNS) – 53 points
53 points, 6 rebounds, 20-27 FG (50 minutes)
Phoenix Suns -117 – Sacramento Kings 121
January 2, 2001
BRANDON JENNINGS (MILWAUKEE BUCKS) – 55 points
55 points, 5 assists 21-34 FG, 7-8 3P (41 minutes)
Milwaukee Bucks 129 – Golden State Warriors 125
November 14, 2009
The most 50-point games in NBA via Basketball-Reference: