Luis Robert Jr.’s 9th-inning catch — ‘one of the best I’ve ever seen’ — preserves the Chicago White Sox’s 4-game split in Houston

Kyle Tucker appeared to have an extra-base hit.

Luis Robert Jr. had other ideas.

The Chicago White Sox center fielder was shaded toward right-center. He raced to left-center and made a miraculous sliding catch to rob Tucker in the ninth inning Sunday in front of 42,835 at Minute Maid Park.

The grab helped preserve a 6-3 victory for the Sox, who earned an impressive split of the four-game series against the reigning World Series champion Houston Astros.

“I knew that it was a hard-hit ball and it was far,” Robert said through an interpreter. “I saw when the ball was in the air and I just put my head down and ran as fast as I could. When I put my head up again, I saw the ball and was there.”

The catch was the second out of the inning. Two runners were on base and the Sox had a…