Hall of Famer Carl Yastrzemski will throw out the first pitch before Game 1 of the World Series on Wednesday night.

Jacoby Miller the 5-year-old son of U.S. Air Force Captain Garrett Miller who is currently deployed in Afghanistan will yell “Play Ball!” before the start of Game 1. The Millers are from Glastonbury Conn.

Deon Singletary 14 from the West End House Boys and Girls Club in Allston will deliver the ball to the mound. He will be joined by Luis Tiant.

There will be a pre-game ceremony recognizing three living Medal of Honor recipients: Salvatore Giunta Clinton Romesha and William Swenson.

Retired United States Marine Corps Sgt. Dan Clark will sing “God Bless America” before the bottom of the 7th inning