Braves right-hander Didier Fuentes became the youngest active player in the majors and youngest Atlanta starter since 1969 when he debuted in Friday's 6-2 loss to the Miami Marlins. Atlanta called up the 20 year old from Triple-A Gwinnett earlier in the day — three days after his birthday — to start the first of a three-game series at

The Braves made yet another roster move Thursday, clearing space for the team's No. 10 prospect to start the series opener against Miami.