Pittsburgh Pirates, Ke'Bryan Hayes agrees to eight-year contract extension - Bucs Dugout
The Greatest Two-Way Players of All Time - Baseball ProspectusBaseball Prospectus
Ke'Bryan Hayes - Pittsburgh Pirates Third Baseman - ESPN
Grounded and humble as ever, Ke'Bryan Hayes undaunted by expectations
Pirates prospect Ke'Bryan Hayes unfazed in magical MLB debut
A Host of Players on Lousy Teams Are Having Great Seasons - HubPages
Ke'Bryan Hayes - Pittsburgh Pirates Third Baseman - ESPN
OSDB - Ke'Bryan Hayes - Pittsburgh Pirates - Biography
Ke'Bryan Hayes Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Ke'Bryan Hayes' home run gets overturned because he didn't touch first base : r/baseball