Change the given text to be simpler.
A pitcher, Glavine played in Major League Baseball for the Atlanta Braves (1987 – 2002, 2008), and New York Mets (2003 – 2007).
Most of his career was with the Braves (from 1987 to 2002 and in 2008), but he also played with the New York Mets from 2003 to 2007.