Irving's point total marked a career-high, eclipsing his previous high of 44 points against Charlotte on April 5, 2014. The double-nickel also set a new NBA high for the 2014-15 season, eclipsing 52-point efforts by Timberwolves guard Mo Williams and Warriors guard Klay Thompson.
The two-time All-Star's record-setting night was capped by this go-ahead three-pointer with 6.4 seconds remaining.
The last player to score 55 or more points in the NBA was James, who posted a career-high 61 points for Miami against Charlotte on March 3, 2014. James sat out Wednesday night's game against Portland with a right wrist sprain suffered during a win over Detroit on Tuesday.
Most points since start of 2010-11 season
- Carmelo Anthony, Knicks: 62 vs. Bobcats on Jan. 24, 2014
- LeBron James, Heat: 61 vs. Bobcats on March 3, 2014
- Deron Williams, Nets: 57 vs. Bobcats on March 4, 2012
- Kyrie Irving, Cavaliers: 55 vs. Blazers on Jan. 28, 2015
- Kevin Durant, Thunder: 54 vs. Warriors on Jan. 17, 2014
- Stephen Curry, Warriors: 54 vs. Knicks on Feb. 27, 2013
Irving's final line: 55 points (on 17-for-36 shooting, 11-for-19 three-point shooting and 10-for-10 free-throw shooting), five assists, four rebounds and two steals in 39 minutes. The 11 three-pointers shattered Irving's previous career-high of six threes. Here's a look at his full shot chart: