He has previously played in MLB for the Atlanta Braves, Baltimore Orioles, and Tampa Bay Rays.

[3] In 2016, he pitched for the Carolina Mudcats and Mississippi Braves, pitching to a combined 8-4 record and 3.02 ERA in 43 relief appearances between both teams,[3] and after the season played in the Arizona Fall League for the Salt River Rafters.

[8][9] In his debut he pitched 2+1⁄3 innings, striking out Kyle Higashioka but yielding a home run.

[1] On July 31, 2018, the Braves traded Phillips, Jean Carlos Encarnacion, Brett Cumberland, Bruce Zimmermann and international signing money to the Baltimore Orioles in exchange for Kevin Gausman and Darren O'Day.

[16] He made his Rays debut on August 13, pitching three innings and giving up one run, while earning his first career save.

[1] He also pitched three scoreless innings over two games in the 2021 NLCS against the Atlanta Braves, allowing only one hit and two walks while striking out six.

[22] Phillips’ father, Joe played baseball at Anne Arundel Community College.