Tuesday marks the first game of the Subway Series, in which the Yankees and Mets will face off.

With both the Yankees and Mets leading their respective divisions, the Subway Series is set to draw lots of attention from dedicated fans.

The MTA is urging New Yorkers who plan on attending the game to take public transportation, as larger-than-normal crowds are expected - with both teams playing extremely well this season. They say they plan to have extra trains running to handle these crowds.

There will also be a heightened police presence at Citi Field to keep fans safe. The gates are set to open at 5:10 p.m. but fans are expected to show up even earlier.

The first two games of the four-game series will take place at Citi Field Tuesday and Wednesday night.