Marco Estrada, who was cast off by the Nats years ago, has been excellent for the Brewers somehow.
He's 2-0 with a 0.00 ERA over his last two starts (13.2 IP 7 H 0 ER 2 BB 10 K).
He has racked up 129 Ks in 126.1 IP with a respectable 3.56 ERA.
The Nats must find a way to get to him.