Athletics' Mike Fiers acknowledges receiving death threats - ESPN
Astros whistleblower Mike Fiers says he's received death threats
J.D. Martinez Shares New Revelation About Astros Sign-stealing in 2018 Playoffs – NBC Boston
Astros whistleblower Mike Fiers says he's received death threats - Los Angeles Times
Dan Patrick Reacts to Big Papi Calling Mike Fiers a “Snitch”
David Ortiz says Mike Fiers looks like 'snitch' in cheating scandal; pitcher reveals he's received death threats
David Ortiz Thinks Mike Fiers 'Looks Like a Snitch' After Exposing Cheating Scandal
Are check ins still allowed? : r/Astros
David Ortiz: Mike Fiers 'looking like a snitch' in Astros sign-stealing scandal - Newsday