Article Photos: Father of stabbed Dodgers fan calls for witnesses 13/14

Rob Preece Jr., brother of fatally stabbed Los Angeles Dodgers fan Jonathan Denver, listens as the family makes a public plea for witnesses to Wednesday's stabbing, during a news conference outside AT&T Park before the Giants' baseball game in San Francisco, Sunday, Sept. 29, 2013. Denver, 24, was fatally stabbed following a Dodgers-Giants game. (AP Photo/Tony Avelar)