Umpire Uniforms (throwback) - Free For All - Umpire-Empire

MLB Umpire Uniform Policies Chart - Umpire Equipment - Umpire-Empire

Umpire's Equipment Buying Guide

MLB advertising on umpire's uniforms has takena very dark turn - Free For All - Umpire-Empire

Cardinals' Alec Burleson laments eighth-inning at-bat altered by umpire's calls

The History of Umpiring

Umpire Serif Font - Download Free Font

The Last Fun Umpire - Baseball ProspectusBaseball Prospectus

Ejected! Umpire gets in Jeremy Peña's face during at bat … here's what happened next

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