With all the ups and downs in recent seasons, including his demotion to the bullpen for the playoffs, Tim Lincecum can appreciate the strong starts when most everything goes right -- reminding himself, from his own experiences, how quickly things change. Backed by solo home runs from Pablo Sandoval, Brandon Belt and Marco Scutaro, Lincecum looked in his best form so far in 2013 as the San Francisco Giants beat the Atlanta Braves 5-1 on Sunday to wrap up an impressive homestand.