Boston Red Sox defeat Washington Nationals, 6-4

WASHINGTON - David Ortiz stood on first base, removed his batting gloves, and laughed at his fortune.

He had just rolled a ball into the vacated part of the infield, a tumbleweed single few players could hope for. His mood owed to what he had done two innings earlier and for the past month.

Ortiz's gap-toothed smile, along with his potency at the plate, disappeared at the start of the season. Both have returned in full, and the latest example came last night during a 6-...