The White Sox haven't recorded a save as a team yet this season, leaving the closer role ambiguous. Furthermore, Mike Clevinger was designated for assignment earlier in the week, which appeared to put Leasure in the best position to serve as the team's closer.

Red Sox: Walker Anthony Buehler (2-1, 5.23 ERA, 1.26 WHIP, 17 strikeouts) BETMGM SPORTSBOOK LINE: Red Sox -294, White Sox +236; over/under is 9 runs BOTTOM LINE: The Boston Red Sox lead 2-1 in a four-game series against the Chicago White Sox.

Vargas served as the White Sox's leadoff hitter in 10 of the team's first 17 games, but he struggled mightily and had just a .429 OPS entering Sunday's game. He's remained an everyday player but has dropped to the bottom half of the order in each of his last three starts.