The defending champion was in this year's contest, as was the 2016 champion. But Eric Gordon and Klay Thompson had to cede the crown to a new shooter in this year's 3-point contest.
Round 1: 19
Round 2: 28 (winner)
While it's not a fair comparison because the NBA added the moneyball rack in 2014, giving players an opportunity to score up to 34 points instead of the previous maximum of 30, Booker's score of 28 surpassed Stephen Curry in 2015 and Klay Thompson in 2016 (27 apiece) as the highest ever in a final round.