Farrell was acquired from the Royals for cash considerations on July 28 and optioned to Triple-A Oklahoma City, where the right-hander made one start. Farrell allowed three runs in 4⅔ innings against Las Vegas on Sunday night, striking out five.
Farrell, 26, is the son of Red Sox manager John Farrell. The pitcher made his major league debut with the Royals in a start on July 1.
The move opens up a spot on the Dodgers’ 40-man roster at the moment.
This transaction had another Dodgers connection as well, as old friend Scott Van Slyke was designated for assignment to make room for Farrell on Cincinatti’s 40-man roster. Van Slyke was traded by the Dodgers to the Reds along with minor league catcher Hendrik Clementina on July 31 for lefty reliever Tony Cingrani.