The coming weekend of May 16-18 presents a new schedule wrinkle for Major League Baseball and it's been branded "Rivalry Weekend."  To be sure, it's a bit of a contrivance, and Rivalry Weekend notably does not include the sport's most time-honored blood feuds like Yankees-Red Sox,

MLB's inaugural Rivalry Weekend is here, as a result of the schedule switching to the anything goes balanced format that allows for interleague at any time, rather than carefully scheduled siloing of American League and National League teams away from each other.

While it may not be a norm around the rest of the footballing world, MLS fans are becoming accustomed to seeing the league's best rivalry matchups played out across a matter of a few days. With that