Stock (0-2) took the loss against the Pirates on Saturday, allowing eight runs on nine hits and five walks while striking out four across three innings.
Benge (wrist) isn't in the lineup for Saturday's game against the Pirates.
The Mets optioned Wagaman to Triple-A Syracuse on Saturday.
Semien went 1-for-4 with a three-run home run in Friday's win over the Pirates.
Gomez struck out one batter in a perfect ninth inning to collect his 16th save of the season in Friday's 8-6 win over Milwaukee.
Ewing went 3-for-4 with a double, two runs scored and a stolen base in Friday's 6-4 win over the Pirates.
Thornton (3-2) picked up the win in Friday's 6-4 victory over the Pirates, allowing four hits and two walks over five scoreless innings. He struck out three.
Culpepper went 1-for-4 with a solo home run during Friday's win over the Brewers.
Benge was removed from Friday's game against the Pirates with left wrist soreness, Abbey Mastracco of the New York Daily News reports.
Matthews was removed from Friday's game against the Brewers with an apparent injury, Dan Hayes of The Athletic reports.
