The right-hander is among the best in baseball since joining the Braves' rotation in 2013.
Three things to watch for in the crucial four-game series between Atlanta and Washington.
The Nationals' reign atop the NL East was short-lived.
More drama in a Nationals-Braves game.
It would be reactionary, and probably even disingenuous, to say the Nationals need to win tomorrow against the Braves. But it would give them one less thing to worry about.