DiNardo enters his 11th season of professional baseball in 2011. He has spent parts of six seasons in the Major Leagues with the Oakland Athletics, Boston Red Sox, and Kansas City Royals. In 94 career big league games (34 starts), the southpaw has a record of 10-18 with a 5.36 ERA.

The Miami native spent most of the 2010 season with Triple-A Sacramento in the Athletics organization, posting a record of 2-5 with a 3.40 ERA in 10 games (nine starts). The 31-year-old has logged 150 games (121 starts) over his minor league career, compiling a record of 35-37 with a 3.71 ERA and nearly 600 strikeouts. DiNardo was originally drafted by the New York Mets in the third round of the 2001 amateur draft.