Key threat to Warriors’ season hopes on display again late in loss to Heat

It’s rare that an NBA team missing three starters can compete on the road with a team nearly invincible at home when it spends much of the game shooting as if blindfolded, ponderously dribbling into traffic and throwing up air balls.Yet the undermanned and profoundly defective Warriors were giving the Miami Heat all the smoke they could handle Wednesday, taking a 74-72 lead into the fourth quarter.Then came a disastrous turnover spree that beckoned a richly deserved 110-96 loss.Perhaps the most instructive element for the Warriors was that Jimmy Butler III, Stephen Curry, Draymond Green and Al Horford – veterans too often prone to distressing turnovers – all watched the fourth-quarter meltdown from the bench. They got an up-close look at a potential upset win spiral into a double-digit loss.The Warriors gave the Heat 34 points off 23 turnovers, with 16 of those points coming off nine giveaways in the fourth quarter.“I’m very, very confident that we will get that turned around,” coach Steve Kerr told reporters at Kaseya Center. “We got it turned around last year after we got Jimmy, cut our turnovers way back. That’s going to be the...