Mark David McGwire
Mark David "Big Mac" McGwire , is an American former professional baseball player and currently a bench coach in Major League Baseball . As a first baseman, his MLB career spanned from 1986 to 2001 while playing for the Oakland Athletics and the St. Louis Cardinals. Wikipedia*
On the C-SPAN Networks:
Mark David McGwire has one video in the C-SPAN Video Library; the first appearance was a 2005 House Committee.