Hall of Fame pitcher Robin Roberts died Thursday morning at the age of 83, according to the Philadelphia Phillies. His cause of death was not immediately known.

Roberts spent 15 years with the Phillies, including as a member of the famed 1950 Whiz Kids. He also spent time with the Baltimore Orioles, Houston Astros and Chicago Cubs, compiling a 286-245 record with a 3.41 ERA for his career.

He pitched in a time when endurance was the norm. Over the course of 609 career starts, Roberts threw over 300 innings in six straight seasons. He acrued a total of 305 complete games, including a stretch of 28 in a row.

During the 1950 season, Roberts, a 20-game winner, started three of the Phillies’ final five games, including their Pennant clinching victory over the Brooklyen Dodgers. It was the Phillies’ first Pennant in 35 years and the first time a Phillies pitcher had won 20 games in a …