Bleacher Report - DK Metcalf's pacifier mouthpieces are
NFL Health and Safety Fact Sheet
DK Metclaf on why he wears a pacifier mouthpiece #clubshayshaypod #DKM
Seahawks News 4/7: What are the Seahawks losing with Ryan Neal's departure? - Field Gulls
DK Metcalf is having fun, and looking for a hobby - NBC Sports
D.K. Metcalf's NFL debut highlighted by big catches and a baby pacifier?
What Pros Wear: DK Metcalf's Battle Binky Oxygen Mouthguard - What Pros Wear
After rookie season that hinted at greatness, Seahawks' DK Metcalf prepared for playoff debut - The Athletic
Child's play: NFL star DK Metcalf wears 'pacifier' mouthguard in Seahawks' win over Browns — RT Sport News