There may have been just one key reason Jonathan Kuminga was benched for an entire month: Jimmy Butler. But after Butler’s season ended Monday night, that opened the door for Kuminga, Warriors coach Steve Kerr explained in an interview with 95.7 The Game on Wednesday. “I think part of the reservation of playing him in recent weeks is that it’s tough to play him with Jimmy,” Kerr said on “Willard and Dibs.” “It’s just not a great combination — I’ve said that publicly. And then when you play shorter burst guys like Gui [Santos] and Gary [Payton II], those are better players for those roles than Jonathan.”  “But Jimmy’s out, there’s definitely a role for JK and he will play a role, and I was really pleased with his play [Tuesday] night. I thought he did a great job of staying ready and keeping his rhythm.” If there was any rust for Kuminga from not playing 16 games, it did not appear in his 20-point...