Via pearljam.com Before Pearl Jam visit Boston to rock Fenway Park over Labor Day Weekend (September 2nd and 4th) America's Most Beloved Ballpark plans on honoring them with a commemorative "Pearl Jam Night" during the Red Sox vs. Mariners game on June 22nd. Fans who purchase through redsox.com or the Band's website, via this special offer will receive a limited edition pennant to commemorate the event. The pennant will only be available on this night and is limited to the first 1,500 who order. Here's a look back at the last time they rocked Fenway: