As the Arizona Diamondbacks prepared to break camp this week, Yoshihisa Hirano's role with his new club is not yet clear.

The former closer of the Orix Buffaloes, Hirano appears set to begin his first year in the major leagues as the late-inning setup man. Hirano, however, has been more concerned with making an impression than his role.

Asked what he thought of the strength of the Diamondbacks' division, the National League West, the 34-year-old right-hander said he didn't care — since he had his hands full commanding his pitches so he could get batters out.