including facial hair. A complex interplay of genetics and hormones decides the type, amount, and even how hair grows. A few random hairs on the chin and neck popping up along with peach fuzz is ...

As the story goes, Steinbrenner gazed at the Yankees' lineup on Opening Day and ... shaggy Johnny Damon in 2006—had to clean up their hair and facial hair before donning the pinstripes.

Literally. For decades, the Yankees have implemented an organizational rule that limits the type of facial hair players are allowed to have at spring training and during the regular season.