Watch Mark McGwire homer in four straight games to open the 1998 season - Viva El Birdos

On this day in 1998 Mark McGwire broke the home run record - A Hunt and Peck - Viva El Birdos

What are the longest HR with proof of distance? : r/baseball

Do you wanna see Mark McGwire sock a few dingers? - A Hunt and Peck - Viva El Birdos

McGwire's slam is 31st homer of 1998 season

This Date in History: Jose Jimenez throws a no hitter - Viva El Birdos

1998 Major League Baseball home run record chase - Wikipedia

STL@MIL: McGwire hits his 64th home run of 1998

Tracking the Sosa-McGwire home run chase

STL@MIL: McGwire hits his 64th home run of 1998

SD@STL: McGwire homers in fourth straight game

Cubs @ Cardinals 9/7/98 (McGwire #61)

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