Jaster, who came up with the St. Louis Cardinals and was a member of the 1967 World Championship team, appeared in 14 games for the Atlanta Braves in 1970, going 1-1 with a 6.85 earned run average over 22.1 innings pitched.
He’d spend the whole of 1971 in the Minors, going 10-6, before making back for his final taste of the Majors in 1972, when he went 1-1 with a 5.11 ERA in five appearances and 12.1 innings of work.
His finest season was easily 1966, his first full year in the Major Leagues, when he posted a record of 11-5 with a 3.26 earned run average, leading the National League with five shutouts over 26 appearances, 21 of them starts.
All told, he finished 35-33 with a 3.65 ERA over 138 appearances and 597.1 innings pitched between 1965 and 1972.