He played for the Chicago Cubs (1991–1993), Milwaukee Brewers (1994–1995, 2000), Detroit Tigers (1996), Kansas City Royals (1996), Houston Astros (1998) and Montreal Expos (2001).

In parts of 9 seasons, he played for the Chicago Cubs, Milwaukee Brewers, Detroit Tigers, Kansas City Royals, Houston Astros, and Montreal Expos.

In the January 2008 issue of San Diego Magazine he was selected as one of the "50 People to Watch in 2008".

On Aug 14, 2023, Scanlan joined Jesse Agler as the 97.3 Analyst in order to replace Tony Gwynn Jr.

This biographical article relating to an American baseball pitcher born in the 1960s is a stub.