Value of Mark McGwire's 70th home run ball from historic 1998

Mark McGwire's 70th HR Ball Once Sold for $3M and Is Now Valued at $250-$400K, News, Scores, Highlights, Stats, and Rumors

How much is Yankees' Aaron Judge 62nd HR ball worth? No one is sure, but it's 'a lot of money'

The fight over Sammy Sosa's 62nd home run ball

The story behind Mark McGwire's 70th HR ball and how much it sold for is WILD - Article - Bardown

Mark McGwire- Sports Card and Sports Memorabilia Auctions

Aaron Judge's Record-Breaking Home Run Ball Has Hit the Auction Block – Robb Report

The Ball: Mark McGwire's 70th Home Run Ball and the Marketing of the American Dream

Big Mac hits 70th home run

Value of Mark McGwire's 70th HR ball, once worth $3M, has nosedived

Mark McGwire's 70th HR Ball Once Sold for $3M and Is Now Valued at $250-$400K, News, Scores, Highlights, Stats, and Rumors