This article was originally published on www.si.com as Announcers Left Stunned by Umpire's Blown Call to End Diamondbacks-Astros Game. The Houston Astros won their fourth game in a row on Wednesday afternoon thanks, in part, to a brutal call by home plate umpire Brian Walsh.

Christian Walker singled home the go-ahead run in the ninth inning and the Houston Astros beat the Arizona Diamondbacks 4-3 to complete a three-game sweep.

The Diamondbacks suffered a tough defeat at home against the Houston Astros, dropping to 5 1/2 games back in the wild-card chase.

Starting third baseman Isaac Paredes (hamstring) is on the 10-day IL, but general manager Dana Brown said on Sunday that the injury is “a little bit more severe than we projected,” via The Athletic’s Chandler Rome. That could jeopardize Houston’s first-place status if it doesn’t acquire a replacement player by Thursday’s Trade Deadline.

The Arizona Diamondbacks dropped two of three to the Pittsburgh Pirates on a hot, muggy weekend at PNC park. The weather is not the only thing that was stifling

The Arizona Diamondbacks turn to Brandon Pfaadt, who, with his long-term contract, wouldn't seem to be a player they'd trade.