Mark McGwire "70" St. Louis Cardinals Home Run King Poster - Costacos 1998 Kansas City Royals Posters Taken just hours before opening

Taken just hours before opening night at the stadium

and the legend himself

Commemorative pennants are always produced in limited quantity

000 fans are packed in to watch history unfold

the first-ever published in his career

Mark McGwire "70" St. Louis Cardinals Home Run King Poster - Costacos 1998 Kansas City Royals Posters Taken just hours before openingIt was a countdown like no other that 1998 season was unlike anything we'd ever seen before! Thirty seven years after Roger Maris took down Babe Ruth's record, Maris' mark was clearly in jeopardy, thanks to "Big Mac" the monster mashing St. Louis Cardinals' first baseman Mark McGwire, whose Home Run chase captured the imagination of the nation. #20 on May 19th#30 on June 10#37 before the All Star break#50 on August 20 and then it got really crazy!