Pioneerof the Nile, Kentucky Derby runner-up and sire of American Pharoah, dead at 13

Mar 18, 2019 Brisnet.com

Pioneerof the Nile, who finished a distant second to Mine That Bird in the 2009 Kentucky Derby (G1) but later sired 2015 Triple Crown winner American Pharoah, died unexpectedly Monday morning at the age of 13.

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(Photo courtesy of WinStar/PM Advertising/Jon Siegel)