For the second time in three years, the Washington Nationals won the most games in the NL — and then quickly exited from the playoffs.FILE - In this Oct. 4, 2014 file photo, Washington Nationals starting pitcher Jordan Zimmermann (27) throws in the first inning in Game 2 of baseball's NL Division Series against the San Francisco Giants at Nationals Park in Washington. For the second time in three years, the Washington Nationals won the most games in the NL _ and then quickly exited the playoffs. Now comes an offseason of questions about manager Matt Williams' decisions and a handful of key roster choices, including what to do about Ryan Zimmerman, whether to sign Jordan Zimmermann and Ian Desmond to long-term deals, and how to upgrade an offense that fell flat in October.FILE - In this Oct. 2, 2014 file photo, Washington Nationals manager Matt Williams (9) throws a ball during an MLB baseball workout at Nationals Park in Washington. For the second time in three years, the Washington Nationals won the most games in the NL _ and then quickly exited the playoffs. Now comes an offseason of questions about manager Matt Williams' decisions and a handful of key roster choices,...