D-backs reach agreement on Nats Marquis

The Diamondbacks have reached agreement on a trade for Nationals right-hander Jason Marquis, major-league sources told FOXSports.com. Marquis was scheduled to pitch against the Mets tonight. He is expected to be scratched from that start. Marquis is 8-5 with a 3.95 ERA this year. He will become a free agent after this season. Marquis is due approximately $2.5 million over the remainder of this year. It's not yet known what portion of that the Diamondbacks will be picking up.