Piazza to Miss 4-To-6 Weeks With Injury

BOSTON - Oakland designated hitter Mike Piazza is expected to be sidelined four-to-six weeks with a strained right shoulder injured Wednesday night when he dove into third base in an unsuccessful attempt to avoid being tagged.

With two outs in the sixth and runners at first and second, Bobby Crosby hit a grounder to Boston third baseman Mike Lowell. Piazza and Lowell both hustled for the bag and collided near it. Piazza was tagged out and stayed on the ground in pain for a short time.

"It's frustrating," said Piazza, his arm in a sling. "I felt like I was starting to swing the bat a little better and it's a tough setback. It's really frustrating."

Piazza, who …