Arizona Diamondbacks defeat St. Louis Cardinals, 7-6

PHOENIX - Any buoyancy the Cardinals felt from their superb start to the season deflated Tuesday when a familiar scene played out on the mound in the fourth inning.

Chris Carpenter abruptly left the game with an injury.

The righthander, making his second start of the season, initially was diagnosed with a strain in his left rib cage. He winced after completing his warm-up throws for the fourth inning, and he walked off the field holding his left side. The Cardinals p...