Tommy John
Nolan Ryan.
Nolan Ryan with 27 seasons
Tommy John, 26 seasons (1963-1974, 1976-1989)
Tommy John pitched 26 seasons.
Nolan Ryan
Nolan Ryan
MLB rosters are expanded from 25 to 40 on September 1. Most of the minor leagues have finished their seasons by then or are in the playoffs and their seasons will end shortly after September 1.
Nolan Ryan. 27 seasons
Nolan Ryan
Cy Young
Jesse orrosco or rickey Henderson