The Most Important and Interesting Facial Hair in MLB History – Stadium Gear & Apparel
An Appreciation for Don Mattingly's Mustache in the 1980s - Men's Journal
The 50 Greatest Mustaches in MLB History, News, Scores, Highlights, Stats, and Rumors
1980's Baseball All-Mustache Team
MLB Facial Hair Hall of Fame - Men's Journal
1980's Baseball All-Mustache Team
The story behind the Yankees' facial hair policy - Pinstripe Alley
The legend of Shlomo Lipetz, WBC Team Israel's 44-year-old 'mythical figure
What are the best mustaches in Oakland A's history? - Athletics Nation