Root, root, root for the home team (whether it’s the Yankees or the Mets) this 2018 baseball season. Both ballparks have upped their food and beverage level game this year, with new over-the-top offerings from Grand Slam Shakes at Yankee Stadium, to the opening of Denmark-based brewery Mikkellers’s first east coast location in Citi Field, which doesn’t require a ticket for entry.