Yankees wear pink on Mother's Day

What are the days of the year that the MLB players wear pink?

Yankees to wear special caps on Mother's Day, Bronx Pinstripes

And on Mother's Day, we wear pink! - Milwaukee Brewers

Vlad Guerrero Jr. Wears Pink Mother's Day Sleeve in Support of His Mom's Health Battle - BVM Sports

Jorge Posada Signed Game Model Mothers Day Catchers Glove Yankees Auto JSA Coa - Autographed MLB Gloves at 's Sports Collectibles Store

Sports world celebrates Mother's Day - 2014

Bleeding Yankee Blue: WHY REAL MEN WEAR PINK

MLB Designs Special Hats and Jerseys for Mother's Day and Father's Day, News, Scores, Highlights, Stats, and Rumors

Official New Era MLB Mothers Day Atlanta Braves 9TWENTY Cap D01_1

Minnesota Twins On Field Mothers Day Hat 5950

New York Yankees go pink for Mother's Day