KINGSTON, Jamaica—Damion Lowe leapt above Walker Zimmerman at the top of the 6-yard box in the 84th minute and headed Leon Bailey’s corner kick to the left of U.S. goalkeeper Zack Steffen. Back at The Office for the first time in 25 months, yellow-clad Reggae Boyz fans erupted at the apparent go-ahead goal. But wait! Costa Rican referee Juan Gabriel Calderón whistled Lowe for a relatively slight push into Zimmerman’s shoulder, a call frequently not made against a CONCACAF home team. “He blew the whistle early, and that was a relief,” U.S. coach Gregg Berhalter said. The Americans started the second half of World Cup qualifying with a bumpy 1–1 draw against Jamaica on Tuesday night. Tim Weah’s 11th-minute goal on an angled 6-yard shot off his weaker left foot was offset by Michail Antonio’s spectacular 34-yard strike in the 22nd. “We’re still in a good position,” U.S. captain Tyler …