Kent did not factor into the decision Tuesday against the Phillies, allowing three runs on four hits and three walks while striking out four across five innings.
Cornelio allowed one hit and one walk while striking out four across two scoreless innings as the Nationals' opener in Sunday's 6-5 win over the Angels.
Irvin will no longer start Sunday's game against the Angels as previously scheduled and is instead expected to pitch behind opener Riley Cornelio, Mark Zuckerman of NatsJournal.com reports.
Alvarez didn't factor into the decision Saturday, allowing one hit and four walks over seven scoreless innings in a 6-5, extra-inning win over the Angels. He struck out eight.
Tolman gave up a run on a hit and a walk in the ninth inning Friday, recording his second save of the season in a 4-3 win over the Angels. He didn't strike out a batter.
Cavalli didn't factor into the decision in Friday's 4-3 win over the Angels, allowing two runs on three hits and two walks over six innings. He struck out nine.