PGA: Thomas reaches semifinals and closes in on No. 1

Justin Thomas plays a shot from a bunker on the second hole during round five at the Dell Technologies Match Play golf tournament, Saturday, March 24, 2018, in Austin, Texas. (AP Photo/Eric Gay)

AUSTIN, Texas — Justin Thomas was on antibiotics when he arrived in Texas and mustered enough strength for a short practice round that left him wondering how long he would last in the Dell Technologies Match Play, if at all.