Hyers attended Newton County High School in Georgia and was selected in the second round by the Toronto Blue Jays in the 1990 Major League Baseball Draft.

[1] During his ten-year (1990–99) minor league career in the Blue Jays, Padres, Arizona Diamondbacks and Marlins organizations, he batted .261 with 847 hits.

[3] After retiring from the playing ranks, Hyers worked as a hitting coach in the Tigers' farm system, and also taught physical education at Victory Christian School in Conyers, Georgia.

[5] Hyers returned to MLB full-time when he was named assistant hitting coach of the Los Angeles Dodgers for the 2016 season,[6] serving under new manager Dave Roberts.

On November 4, 2017, Hyers was named hitting coach of the Boston Red Sox on the staff of new manager Alex Cora.