Crawford wasn't expecting the distinction.
"It's kind of surprising when you have somebody like Hunter on your team," he said in a verbal salute to right fielder Hunter Pence, the Giants' poster child for effort. Pence was San Francisco's Heart and Hustle nominee in the previous two years.
Between now and the end of the season, fans, baseball alumni and active players will vote to select the final winner from among the 30 team winners. Previous overall winners are David Eckstein (2005), Craig Biggio (2006, 2007), Grady Sizemore (2008), Albert Pujols (2009), Roy Halladay (2010), Torii Hunter (2011), Mike Trout (2012), Dustin Pedroia (2013) and Josh Harrison (2014).