Giambi's 'stache was the best. Why don't any Yankees sport a

Yankees grooming policy origins

Joba Chamberlain turning into the pitcher the Yankees hoped he'd be, but now doing it with Detroit Tigers – New York Daily News

7 Yankees who looked weird without facial hair

The story behind the Yankees' facial hair policy - Pinstripe Alley

Page 2 : Giambi's most valuable mustache

The Yankees' appearance policy and why it should stay, Bronx Pinstripes

Yankees' Nestor Cortes no longer teased for bushy mustache that's become good-luck charm

Jason Giambi: Rockies slugger weighs in on pranks, the gold thong and CarGo – The Denver Post

Travis Hafner receives warm welcome from Cleveland Indians fans, but hears boos after hitting a three-run home run for Yankees – New York Daily News

The mustache that ended a HOF career

Matthew Berry is The Talented Mr. Roto: Love/Hate 2009 - ESPN

Giambi's Pinch-Hit Homer Lifts Yankees Over Blue Jays - The New York Times

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A-Rod: 'It bothers me' Yankees haven't retired my number : r/NYYankees

New York Yankees players grow mustaches during hot streak - Sports Illustrated