The hit off Clarke Schmidt (5-5) scored automatic runner Cavan Biggio from second base after right fielder Aaron Judge had prolonged the inning with a catch at the right field wall.
Judge went 1-for-3 with two walks as he stayed at 60 homers, one shy of the American League record set by New York's Roger Maris in 1961.
Register now for FREE unlimited access to Reuters.com RegisterThe Blue Jays opted to intentionally walk Judge with two outs and runners on first and second in the top of the 10th.
Braves 8, Nationals 0Rookie Bryce Elder pitched a six-hitter and visiting Atlanta smacked three home runs to defeat host Washington.
Martinez and Rob Refsnyder homered for the Red Sox, and Enrique Hernandez had two run-producing singles for three RBIs.