BOSTON -- When Boston Celtics big man Kelly Olynyk hit the floor to start the second quarter of Friday's game against the Phoenix Suns without his now familiar man bun, there was some consternation inside TD Garden. For most of his first two seasons in the NBA, Olynyk has played with a thin headband holding back his flowing locks, but he switched to the more trendy man bun almost exclusively this past December and his performance spiked when you compared his hairstyle splits (yes, some of us actually track these things; call it head-vanced stats).