Herrera is now off the team's 40-man roster. The club needed to make room for C.J. Cron, who was promoted Saturday. Herrera posted a 4.50 ERA over six innings with the major-league club
Herrera has appeared in six games this season, giving up three earned runs and posting a 6:7 K:BB ratio in six innings. A corresponding move will be made by the team Friday.
To make room on the 40-man roster for Herrera, the Angels moved pitcher Brian Moran (elbow) to the 60-day disabled list.