The Arizona Diamondbacks and St. Louis Cardinals will turn to starting pitchers experiencing vastly different recent fortunes when the teams open a four-game series on Monday night. Merrill Kelly (5-6, 5.81 ERA) will start for the Diamondbacks opposite fellow right-hander Andre Pallante (8-4, 3.76 ERA) as Arizona begins a seven-game trip. Kelly, 37, will look