McGwire[mə-gwīrˈ], Mark David Born 1963.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
, Mark David Born 1963.
American baseball player. In 1987 he broke the single-season record for home runs hit by a rookie, and in 1998 he set a new record for home runs hit in one season, surpassing Roger Maris and Sammy Sosa, by hitting 70.