The Mets announced ceremonial details surrounding this Saturday’s 20th anniversary remembrance of 9/11.

The Mets will be wearing first responder caps during batting practice and during the game against the Yankees this Saturday. Caps will be from the FDNY, NYPD, Port Authority Police Department, Department of Sanitation, and Department of Correction.

In addition, the two managers from the 2001 season Bobby Valentine and Joe Torre will participate in a ceremonial first pitch. Valentine will throw to Torre. Over 14 former Mets coaches and players are expected to attend including Mike Piazza.

The club will have multiple organizations represented on the field including the Fire Widows’ & Children Benefit Fund that was created by former Met Rusty Staub and The Feel Good Foundation that helped those suffering from 9/11 related illnesses and Mets employees who lost loved ones on 9/11 and those who worked at Shea Stadium to aid the support effort.

Saturday’s first pitch is scheduled for 7:40 p.m. with gates opening at 5:10 p.m.