Historical Revisions: MLB's 1998 NL MVP: Mark McGwire vs Sammy Sosa, by Mike Gilligan

MLB All-Star Game: Remembering the 1998 Midsummer Classic - Purple Row

Debating the swings — and misses — from 'Long Gone Summer,' ESPN's documentary on the Sammy Sosa-Mark McGwire home run race of 1998 – The Virginian-Pilot

Sammy Sosa – Society for American Baseball Research

Mark McGwire thinks Aaron Judge will break Barry Bonds' HR record

Each MLB team's single-season home run leader

JAWS and the 2019 Hall of Fame Ballot: Barry Bonds

Historical Revisions: MLB's 1998 NL MVP: Mark McGwire vs. Sammy Sosa

Historical Revisions: MLB's 1998 NL MVP: Mark McGwire vs. Sammy Sosa

10 takeaways from 2023 MLB regular season: New rules work, preseason projections were wrong and more

Should Barry Bonds be in the Hall of Fame before Mark McGwire? - Quora

The McGwire-Sosa home run chase helped make 1998 one of MLB's wildest seasons ever - ESPN

The '98 Home Run Chase and the Public Imagination - Searle Baseball