http://m.mlssoccer.com/next Plus news about NYCFC kits.
“It means each club will get a version of the league crest, which better reflects their clubs identity and local market,” the MLS press release states. “This is not a replacement for the club brand; instead the new league brand compliments and allows the club to be the real hero. We want to reinforce the ethos of the new brand, which encourages clubs to “own” and adapt the crest to match the colors they and their fans associate with and support.”
"The crest itself is off a generic shape, with a slash extending through it as if someone were crossing this choice out as an option."
SLASH: The slash refers to soccer’s speed and energy. The slash begins outside the perimeter and drives upward at a 45-degree angle to illustrate both the nonstop nature of our game and the rising trajectory of our league. It bisects the crest to create a “first half” and “second half.”