Ellington was optioned to Triple-A New Orleans on Sunday, Joe Frisaro of MLB.com reports.
A.J. Ramos was brought off the DL on Sunday, so Ellington is headed back to New Orleans. Ellington was fantastic during his latest stint in the majors, as he allowed just one run over 8.1 innings spread across nine games, bringing his ERA down to 0.92 for the season. He's had a solid showing at the Triple-A level as well, posting a 3.13 ERA and 1.26 WHIP over 31.2 innings.