Stroman, 31, will make his sixth start of the season during tonight’s 6:40 p.m. CT game against the Arizona Diamondbacks at Wrigley Field.

Stroman, who was placed on the injured list May 8, owns a 1-3 record with a 5.13 ERA (15 ER/26.1 IP) in five starts for the Cubs this season. The righthander tossed a season-high 7.0 scoreless innings in his last outing May 1 at Milwaukee, allowing two hits and a walk, along with five strikeouts. He has posted a 1.38 ERA (2 ER/13.0 IP) in his last two starts, after going 0-2 with a 8.78 ERA (13 ER/13.1 IP) in his first three.

Stroman owned a 3.02 ERA (60 ER/179.0 IP) with a 10-13 record in 33 starts (tied for the most in the majors) for the Mets in 2021, walking 44 with 158 strikeouts. He set career bests in ERA, WHIP (1.15), strikeout rate (21.6 percent) and walk rate (6.0 percent). Stroman’s 3.02 ERA was eighth in the N.L. and ninth in the majors. He allowed 0.86 home runs per 9.0 innings, sixth in the N.L. and was 10th with 2.21 walks per 9.0 innings. His 179.0 innings ranked 16th in the N.L.

Selected by Toronto in the first round (22nd overall) of the 2012 Draft out of Duke University, Stroman is 62-63 with a 3.67 ERA (430 ER/1,054.2 IP) in 184 career games, all but six as a starter, with the Blue Jays (2014-19), Mets (2019, 2021) and Cubs (2022). He has made 30-or-more starts in four of the five full seasons since 2016, tied for the most such campaigns in the majors. Stroman signed a three-year contract with the Cubs as a free agent this past offseason.

Rucker, 28, owns no record with a 4.20 ERA (7 ER/15.0 IP) in eight relief appearances for Chicago this season after making his first career Opening Day roster.

Mills, 30, was originally placed on the 10-day injured list, April 4, with a low back strain. He has yet to appear in a game for the Cubs this season.