Below is an advertisement.

Senior Dates 2016

Senior citizens (60 and older) can purchase tickets at 50% off the box office price on the day of the game in select seating areas for games on April 13, May 4, May 30, June 1, June 22, July 4, July 6, July 28 and August 11.

The seating areas for this offer include Baseline Box, Budweiser Landing and
Promenade Outfield.

Tickets are available for purchase ONLY on the day of the game, beginning at 9 a.m., at Citi Field Ticket Windows, located on the exterior of the ballpark, to the third base side of home plate and the Jackie Robinson Rotunda. Tickets are subject to availability; pricing is subject to dynamic pricing. All tickets are first come, first served. A valid form of identification must be presented at the time of purchase.