Giambi's 'stache was the best. Why don't any Yankees sport a mustache? : r/ NYYankees
The Yankees are bringing the mustache back in style - Pinstripe Alley
Facial Expression - The New York Times > Play Magazine > Slide Show > Slide 1 of 10
Giambi shaves mustache in bid to end his slump
Should the Yankees abolish their beard policy? : r/baseball
New York Yankees players grow mustaches during hot streak - Sports Illustrated
Should the Yankees abolish their beard policy? : r/baseball
Yankees Help Giambi's Campaign for All-Star Spot - The New York Times
The 50 Greatest Mustaches in MLB History, News, Scores, Highlights, Stats, and Rumors
Rougned Odor in a Yankees jersey : r/baseball
The All-Mustache Team: The 10 Greatest Mustaches In Sports History, Bleacher Report, Latest News, Videos and Highligh…