Team USA’s Kyle Troup and Malaysia’s Sin Li Jane maintained their leads as the 2018 QubicaAMF World Cup fields were cut to 24 men and 24 women after Thursday’s third round of qualifying at Sam’s Town in Las Vegas. Troup, who earned his spot in the World Cup and a spot on Team USA for the first time by winning the Team USA Trials in January, totaled 5,674 for 24 games (236.41 average) to top the 81-player men’s field, while Sin, who earned her spot after a grueling...