OKLAHOMA CITY — The Warriors’ reserves built their lead, but it was the usual suspects who held on to it for their ninth straight win, 110-98, Monday night over the Thunder. Klay Thompson nailed a pair of clutch 3-pointers in the final 2 minutes to stem a late run by Oklahoma City and finished with a team-best 21 points in his most playing time since returning from injury. After trailing for almost the entire first quarter, the Warriors used a 36-23 second quarter to pull ahead for good. Trailing 23-22 early in the period, Jordan Poole turned the corner around a Jonathan Kuminga screen and fou…