Baseball: MLB appoints 1st black umpire crew chief
MLB appoints Kerwin Danley as its first black umpire crew chief
MLB umpire job responsibilities
MLB makes history by naming its first black and Latino-born umpire crew chiefs, FOX 4 Kansas City WDAF-TV
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MLB appoints 1st black umpire crew chief
Adrian Johnson, Alan Porter named crew chiefs
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MLB appoints Kerwin Danley as its first black umpire crew chief
MLB Appoints First Black Umpire Crew Chief
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MLB appoints first black and Latino-born umpire crew chiefs
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