Warriors forward Gui Santos has been on a roll since the final week of January.Since Jan. 28, the 23-year-old is averaging 15.4 points, 5.2 rebounds, 3.9 assists, and 1.6 steals per game while shooting 61.3 percent from the field and 46.7 percent from 3-point range.Following another spectacular performance from Santos in Golden State’s 133-112 win over the Memphis Grizzlies, coach Steve Kerr highlighted the Brazilian native’s tremendous growth since coming to the NBA.“He’s taken another step this year, Gui has,” Kerr told reporters on Wednesday after the game. “Last year, he was a very important role player for us. Number one on the team in plus-minus and after the [Jimmy Butler] trade, he really solidified that role.But now, he’s become more on-ball as a creator [and] a post-up guy. The step-through move that you saw was incredible. He has the ability to play point guard when the other team is pressuring us. He’s really a versatile player and somebody we really value.”Santos scored 17 points, making 6 of his 7 field-goal attempts, and filled up the stat sheet with three rebounds, four assists, one...