Pakistan, Aug. 9 -- The two-time defending World Series champions are in a rare funk. The Los Angeles Dodgers lost their season-high seventh game in a row in a stunning collapse on Friday night after the Arizona Diamondbacks rallied for a 4-3 win when rookie Ryan Waldschmidt hit a two-run, walk-off homer against closer Edwin Diaz.

"A loss is a loss but to get walked off never feels good," Dodgers manager Dave Roberts said. "We didn't play a clean game, a great game, on either side of the baseball, but we did enough to put ourselves in position to win a game.

"Unfortunately, we couldn't finish it."

It was another rough outing for Diaz, who has an 11.00 ERA over 11 outings this season. The 32-year-old is a three-time All-Star, but hasn't...