If you haven't seen this yet, here's why Harrison Bader wears a mouthguard while hitting -- SUPER interesting #NYY, By Fireside Yankees - Empire Sports Media
Harrison Bader Mouth Guard
Harrison Bader Mouthpiece
Unlock Your Athletic Potential – AIRWAAV
BenFred: Bader blocking out the noise as he quiets his approach at the plate
Yankees' Harrison Bader ties game with homer, saves it with glove - Sports Illustrated
Through New York Grays, Harrison Bader Found a Different NYC - The New York Times
If you haven't seen this yet, here's why Harrison Bader wears a mouthguard while hitting -- SUPER interesting #NYY, By Fireside Yankees - Empire Sports Media
Harrison Bader Mouthpiece