Complex sentence: Jefferson Alan McKnight (born February 18,1963 in Conway, Arkansas) was a Major League Baseball player from 1989 to 1994 for the New York Mets and Baltimore Orioles.
Split into simpler sentences: Jefferson Alan McKnight (born February 18,1963) is a former professional baseball player. He played all or part of six seasons in Major League Baseball, from 1989 to 1994, for the New York Mets and Baltimore Orioles.