Canning (Achilles) will start for Double-A San Antonio on a rehab assignment Saturday, Jeff Sanders of The San Diego Union-Tribune reports.

Canning is nearing a return from a torn Achilles that he suffered last June while with the Mets. The right-hander inked a one-year deal with San Diego last month and could be a candidate for the Padres' rotation once healthy. Walker Buehler and German Marquez are currently occupying the fourth and fifth spots in the rotation for San Diego, but Buehler was hit hard in his first start Monday against the Giants.

Phillies manager Rob Thomson said Tuesday that Miller (back) has increased his rehab activities but is not yet swinging a bat, Todd Zolecki of MLB.com reports.

The nagging back injury has been bothering Miller going back to the fall, and his baseball activity is apparently still pretty limited as he's opened the campaign on Triple-A Lehigh Valley's injured list. Once cleared for all activities, the 21-year-old top prospect will need some time to build up to game readiness after missing all of spring training.

Arenado isn't in the lineup for Tuesday's game against the Tigers, Alex Weiner of ArizonaSports.com reports.

Arenado will sit down for the first time this season after going just 2-for-16 (.125) with five strikeouts over Arizona's first four games. His absence will allow Jose Fernandez to start at third base and bat sixth in what will be Fernandez's MLB debut.

Baty isn't in the lineup for Tuesday's game versus St. Louis.

Baty has opened the new season with a four-game hitting streak, but he'll retreat to the bench Tuesday while Mark Vientos serves as New York's designated hitter and bats sixth.

Polanco isn't in the lineup for Tuesday's game against the Cardinals.

Manager Carlos Mendoza said Monday that Polanco has been dealing with a sore Achilles, and the 32-year-old infielder will now get a chance to rest after opening the series with a 2-for-5 performance. Jared Young will pick up a start at first base as a result and bat fifth.

Alvarez isn't in the lineup for Tuesday's game against the Cardinals.

Alvarez will grab a seat on the bench Tuesday after going 1-for-3 with a walk in Monday's series opener. Luis Torrens will catch instead for starter Kodai Senga while batting ninth.

Kelly is not in the lineup for Tuesday's game against the Angels.

Kelly has been behind the dish for three of the Cubs' first five games this season but will yield catching duties to Miguel Amaya on Tuesday. Amaya is in the nine spot in Chicago's lineup.

Cruz will start in center field and bat eighth in Tuesday's game against the Reds.

It's the first start for Cruz against a left-handed pitcher since Aug. 2 of last season, as he was out of the lineup the final 12 times the Pirates faced a lefty last year and the first time they went up against a southpaw in 2026. The left-handed-hitting Cruz is a career .174/.249/.315 hitter against southpaws.

Davis is absent from the lineup for Tuesday's game versus the Reds.

Davis has started all three games versus right-handers but will yield to Joey Bart at catcher for the second time in two games against lefties. The former No. 1 overall pick is 2-for-11 with a 2:3 BB:K in the early going this season for Pittsburgh.

Triolo is not in the lineup for Tuesday's contest in Cincinnati.

Triolo batted leadoff the other time the Pirates faced a lefty, but he will begin this one on the bench. Nick Gonzales is at shortstop and Nick Yorke is handling third base for Pittsburgh against southpaw Brandon Williamson.