In 1998, Philip Ozersky caught Mark McGwire's record-setting 70th home run ball; months later, he sold it for $2.7 million at a Guernsey's auction Oct 27, 2026 @ 2:49pmBaseballMLBSt. Louis CardinalsAthlon SportsOne baseball, one historic home run and a $2.7 million auction. Read moreIn 1998, Philip Ozersky caught Mark McGwire's record-setting 70th home run ball; months later, he sold it for $2.7 million at a Guernsey's auction