Herrera went 4-for-8 with a double and two runs scored as the Cardinals split Wednesday's doubleheader versus the Phillies.

Herrera missed over a month due to a left knee bone bruise. Since his return last week, he's gone 7-for-18 with three extra-base hits, three RBI and four runs scored, including an impressive performance in Wednesday's doubleheader. He was the designated hitter in the matinee game before returning to catching duties in the nightcap. He's had a hot bat in limited action this season, hitting .385 with five homers, 14 RBI, 10 runs scored, four doubles and no stolen bases over 12 contests.

Realmuto went 1-for-4 with a two-run home run in a 14-7 loss to the Cardinals in the second game of Wednesday's doubleheader.

Realmuto rested for the early game and made an early impact in the nightcap. His homer capped a five-run first inning for the Phillies, though the Cardinals' offense responded in a bigger way over the rest of the contest. Realmuto is playing well in May, going 10-for-35 (.286) with five extra-base hits and seven RBI over 10 games this month. Overall, the catcher is at a .250/.327/.409 slash line with four homers, 15 RBI, 15 runs scored and four stolen bases over 36 contests this season.

O'Hoppe is not in the Angels' starting lineup against the Padres on Wednesday.

O'Hoppe will get a breather Wednesday while Travis d'Arnaud starts behind home plate and bats sixth. O'Hoppe has struggled at the plate as of late, going 5-for-29 with three RBI and a 33.3 percent strikeout rate over his last nine games.

Caratini will start at catcher and bat sixth in Wednesday's game against the Royals.

Caratini has been a beneficiary of Yordan Alvarez's (hand) recent move to the injured list, which has freed up a regular spot in the lineup at designated hitter. The Astros haven't settled on any one player to replace Alvarez, but because top backstop Yainer Diaz has been included in the DH rotation, Caratini has seen his playing time pick up. Caratini will be making his fourth start in five games Wednesday.

Contreras went 3-for-4 with a walk, a double and four runs scored in Wednesday's 9-5 win over Cleveland.

The 27-year-old backstop entered the contest in a 1-for-16 slump but ended up serving as a table-setter out of the cleanup spot Wednesday, as Rhys Hoskins drove in five runs out of the No. 6 hole. It's the fourth four-hit performance of Contreras' career and the first time he's tallied more than two hits in a game this season. He was struggling through 11 games in May prior to Wednesday's showing, having gone 5-for-39 (.128 average) with 12 strikeouts.

Heim is out of the lineup for Wednesday's game against the Rockies.

Kyle Higashioka will draw a start behind the plate while Heim takes a seat for the second time in the series. Heim still appears to be the Rangers' preferred option behind the plate, though he'll likely be subject to more frequent rest days now that Higashioka is back in the fold after a recent stint on the injured list.

Ruiz is not in the Nationals' starting lineup against Atlanta on Wednesday.

Ruiz went 0-for-4 in Tuesday's loss to Atlanta, which ended his on-base streak at 11 games. He'll get a breather Wednesday while Riley Adams starts behind home plate and bats ninth.

Stephenson is not in the Reds' starting lineup against the White Sox on Wednesday.

Stephenson will get a breather Wednesday after going 0-for-4 with two strikeouts in Tuesday's 5-1 loss to the White Sox. Jose Trevino will start behind the dish and bat sixth.

Diaz is not in the Padres' starting lineup against the Angels on Wednesday.

Diaz will ride the pine for a second straight game while Martin Maldonado starts behind home plate and bats ninth. Diaz has gone 8-for-25 with a solo home run and six runs scored since the beginning of May.

Alvarez is not in the Mets' starting lineup against the Pirates on Wednesday.

Alvarez will get a breather after going 0-for-6 with a walk and two strikeouts over the first two games of the series. Luis Torrens (groin) will work behind home plate and bat out of the sixth spot Wednesday.