MIAMI -- The Pirates are not discussing why they fired a minor-league manager who just won a championship, but a source said this morning it was because of a failure to follow the team's prescribed development programs.
Late Wednesday night, the team told Matt Walbeck, manager of the Class AA Altoona Curve team that won the Eastern League two weeks ago, that he would not be retained. Walbeck, 40, was named that league's manager of the year, his fourth manager-of-the-year honor in various capacities over six years
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