Buck Showalter, manager of the Arizona Diamondbacks and a former manager of the New York Yankees, will be pitching bank products for Banc One Corp. in Arizona for the next three years.

Banc One has a $66 million sponsorship program with the expansion team, whose first season starts in April. Under that program Banc One's Arizona unit is the team's "exclusive bank" and has a 30-year contract for naming rights on its home, Bank One Ballpark.

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