Michael Morse hit an RBI single with one out in the ninth inning after Hunter Pence's tying double, and the San Francisco Giants rallied to beat the New York Mets 5-4 Saturday night to extend baseball's best record.New York Mets' Bartolo Colon works against the San Francisco Giants in the first inning of a baseball game Saturday, June 7, 2014, in San Francisco.New York Mets' Anthony Recker swings for an RBI double off San Francisco Giants' Tim Hudson in the third inning of a baseball game Saturday, June 7, 2014, in San Francisco.New York Mets shortstop Ruben Tejada bobbles a ball hit by San Francisco Giants' Angel Pagan in the first inning of a baseball game Saturday, June 7, 2014, in San Francisco.San Francisco Giants' Angel Pagan swings for a two run single off New York Mets' Bartolo Colon in the sixth inning of a baseball game Saturday, June 7, 2014, in San Francisco.