I don't doubt you, but I'm curious as to where you got this info.
They talked about it pretty extensively last year. The league is allowing them to use pink for “minor uniform articles”, and it’s totally voluntary. Last year Chad Ochocinco was hoping to put on so much pink he would actually get fined by the league (he gets fined for uniform violations a lot), his promise was that if he got fined he’d write a matching check to the Komen Foundation. Never found out if they actually fined him. The list of available items seems to have increased this year, last year it was mostly gloves and towels with some tape, Chad was one of the only ones with pink cleats, don’t remember any chin straps or mouth guards.