The game-worn, autographed and authenticated hats will be auctioned online at orioles.com/auction and all proceeds will benefit the Frank J. Battaglia Signal 13 Foundation, which provides financial assistance to Baltimore Police Department personnel who suffer extreme personal emergencies. The auction runs until Wednesday, Sept. 18, at 11:59 p.m. ET.
"As Americans, we've got to pay tribute to the people that fell that September 11 morning and the people who reacted so quickly," said Orioles center fielder Adam Jones of Wednesday's commemorative efforts. "We are still fighting that war on terror. So, it's something that, as Americans, you learn and appreciate that you can't take your freedom for granted anymore. So it's something where you show your gratefulness for the U.S. military."
The Orioles also observed a moment of silence prior to the national anthem in honor of those who lost their lives in the terrorist attack and had the U.S. Army Quartet on tap to sing "God Bless America" during the seventh-inning stretch.
Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.