On this day in 1974, the Grateful Dead headlined the second annual Day on the Green and Jerry Garcia and the band jammed out in front of a sold-out crowd. Relive that day with Jerry Garcia Night! Your special ticket purchase includes a one-of-a-kind corduroy hat giveaway, exclusive access to enjoy a pregame concert, and a ticket to Orioles vs. A’s! 🎟️ link in our story for tickets.