2021 MLB Season Preview: Team-by-Team Capsules - The New York Times
CWS@SD: Charlie Hayes on Pirates drafting his son
Ke'Bryan Hayes gets help from big-league father to become top prospect
Lunch Break Baseball's Top 150 MLB Players — Lunch Break Baseball
Ke'Bryan Hayes, Charlie Hayes share special bond
Charlie Hayes throws out first pitch to son Ke'Bryan Hayes
Yankees Magazine: The sons also rise
Best MLB player at each age for 2021 season: From 18-year-old Jasson Dominguez to 41-year-old Rich Hill
Yankees Magazine: The sons also rise
Ke'Bryan Hayes Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Ke'Bryan Hayes addresses home run gaffe in Pirates' loss to Dodgers
With young team, Pirates placing their trust in 'The Toddfather
Charlie Hayes expecting tears of joy while watching son Ke'Bryan make debut with Pirates
Ke'Bryan Hayes, Charlie Hayes share special bond
Yankees Magazine: The sons also rise