De La Rosa agreed to a minor-league contract with the Dodgers on Saturday.
De La Rosa signed a minor-league contract with the Dodgers on Friday.
De La Rosa was reassigned to minor-league camp Tuesday.
The Diamondbacks feel De La Rosa may be best served starting the season at Triple-A Reno, Nick Piecoro of the Arizona Republic reports.
De La Rosa (elbow) walked one batter in a scoreless inning Wednesday against the Padres.
De La Rosa (elbow) was released by the Diamondbacks on Friday.
De La Rosa underwent a successful Tommy John surgery Tuesday, Nick Piecoro of The Arizona Republic reports.
De La Rosa will undergo Tommy John surgery for the second time in his career.
De La Rosa was sent down to Triple-A Reno on Friday.
De La Rosa was reinstated from the 10-day disabled list Wednesday.