Daniel Bard pitched and inning for Class A Lowell on Saturday , walked four and struck out two. This morning the team designated Bard for assignment and called outfielder Quintin Berry, catcher Ryan Lavarnway, right-hander Rubby De La Rosa and third baseman Brandon Snyder.
Bard has struggled to find control of his pitches walking 27 in 15 1/3 innings in the minors this year.
Berry will serve as a pinch-runner and defensive replacement off the bench. The 28-year-old is 30-for-34 in stolen base attempts in the minors this year, and he was 21-for-21 in the big leagues in that role for the Tigers last year.
De La Rosa is in his third stint in the big leagues this year. In five games in the majors, he has a 4.76 ERA.
Snyder, 26, is hitting .209/.227/.419 in 21 big league games this year.