Welcome to The Walk Off, the nightly MLB recap from Big League Stew. Here we'll look at the top performers of the night, show you a must-see highlight and rundown the scoreboard. First, we start with a game you need to know about. The Washington Nationals really have things rolling under new manager Dusty Baker. With Saturday's 8-1 victory against the Philadelphia Phillies, the Nationals have now won seven straight games overall. They also extended their best start in franchise history (that even covers the Montreal years) by improving to 9-1. [Related: Fan gets attention for misspelled 'Bruce' Harper sign ] Is Washington's talented roster finally living up to the potential? It's a relatively small sample size to be sure, but the results are promising. Of course, the success really begins at the top of that roster, where Bryce Harper and Max Scherzer reside. Both played a key role in Saturday's win, with Harper delivering the knockout punch with his fifth-inning two-run homer. Harper now has five homers on the season, and has homered in each of his last five games in Philadelphia. On the hill, Scherzer predictably dominant, tossing seven innings of one-run ball. He even chipped in...