Even Chad Tracy couldn't save the Nats from Jeff Samardzija.

(Jordan Zimmermann talks with the media after Sunday's loss to the Cubs. Screengrab via MASN.com video.)

Cubs 4, Nationals 3: Once again Nats' offense shows up late; but this time without the magic. Thanks, Xavier Nady. Jordan Zimmermann was good, but Jeff Samardzija was better.

Chaditude fails to ignite: Chad Tracy 0-1 (K).

Meanwhile...

Left ankle sprain for Anthony Rendon Saturday night.

John Lannan lit up in first AAA start on Sunday.

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