Under Armour's throwback baseball uniforms look like flannel without sacrificing performance. - ESPN

Yankees and White Sox Unveil 'Field Of Dreams' Uniforms

Uni Watch's Flashback -- The rise and fall of MLB zippers - ESPN

Yankees and White Sox Unveil 'Field Of Dreams' Uniforms

THE COUGAR BLOG: Sept. 15-29 2014

Uni Watch's Friday Flashback - Baseball turns ahead the clock in 1999 - ESPN

Five thoughts on Under Armour's new agreement to outfit Major League Baseball

Donruss and Panini – SABR's Baseball Cards Research Committee

From the Angels to the Yankees, the Uni Watch MLB preview has you covered. - ESPN

Fleer – SABR's Baseball Cards Research Committee

Cold can slow you down—so we bring the heat. Under Armour's legendary performance baselayer keeps you warm, dry, and light all season., We all hate

Under Armour Men's ColdGear® Compression Mock Long Sleeve

What Pros Wear: Hate It or Love It? Under Armour will be Official Uni of MLB - What Pros Wear

Possibly the Greatest Example of Uni-Watching Ever

History – SABR's Baseball Cards Research Committee