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I know that Estabrook is a Triple-A, call-up umpire. Does anyone have a source that could be used to verify that as a citation? AutomaticStrikeout (talk) 18:11, 12 May 2012 (UTC)[reply]

This isn't the most excellent in the world, but you could use Long road to umpiring in the majors-CNN. This also mentions Michael Estabrook. Ryan Vesey Review me! 13:59, 22 June 2012 (UTC)[reply]