Did Yusei Kikuchi use pine tar? Aaron Boone says Yankees 'looked

Kikuchi's hat draws looks but no action, Sports news, Lewiston Tribune

MFNSDMF6WFA3HGQJTJ2KHNRP4A.jpg

MLB fans noticed foreign substance on Mariners LHP Yusei Kikuchi's hat

Did Yusei Kikuchi use pine tar? Aaron Boone says Yankees 'looked at it' and will handle 'behind the scenes' - Newsday

New York Yankees expect Aaron Hicks to return from injured list

unless significant changes are made. However

The Bronx Pinstripes Show - Yankees Podcast, Bronx Pinstripes

Kikuchi, Healy lead Mariners to 10-1 rout of Yankees

New York Yankees expect Aaron Hicks to return from injured list

new york yankees, The Baseball Codes

For Pine Tar, It's a Matter of Perception

Not a sticky situation: Kikuchi's hat draws looks, no action

I'm Not A Headline Guy Sports ramblings…with a Yankees bias!

Yankees stymied by Mariners pitcher with mysterious substance

Yankees fans, stop crying about Yusei Kikuchi's pine tar