In what figures to be a sterling matchup between Clayton Kershaw and Tim Lincecum, the Dodgers and Giants will play a rescheduled Opening Day game at Dodger Stadium on March 31 at 5 p.m.Of course, Kershaw has to unseat incumbent Opening Day starter Vicente Padilla to make that matchup happen.The new date is the result of discussions that apparently included the possibility of moving Opening Day to San Francisco for theatricality's sake (i.e., honoring the World Series champions at home). Happily, the Dodgers were not forced to oblige. ESPN will still televise the game nationally. Roberto Baly of Vin Scully Is My Homeboy has been monitoring this situation like no other.* * *You know the story, but Amy K. Nelson of ESPN.com retells the tale of umpire Jim Joyce after his missed perfect ga