Signed out of Brigham Young by the Mariners, Nielsen recovered from 1985 arm surgery
to debut with the 1986 Yankees. He led their weak staff with two shutouts. Shipped
to the White Sox in January 1987, he was reacquired with Rich Dotson
Nielsen holds the distinction of winning a 17-0 decision over the Cleveland Indians
on July 5, 1987. That equaled a White Sox club record for the widest shutout margin
against an opponent. On June 9, 1988 he pitched the first nine-inning no-hitter in
Columbus (International League
) history, defeating Maine 3-0.