The Brewers and Giants also observed a moment of silence before the game to honor those lost and affected.
All around Major League Baseball, teams made similar shows of solidarity. At many stadiums, including Yankee Stadium and Wrigley Field, teams played Neil Diamond's "Sweet Caroline," replicating the daily tradition at Fenway Park.
Adam McCalvy is a reporter for MLB.com. Read his blog, Brew Beat, and follow him on Twitter at @AdamMcCalvy. This story was not subject to the approval of Major League Baseball or its clubs.