The A’s deal right-handed starter Gio Gonzalez along with pitching prospect Robert Gilliam to the Nationals for southpaw Tommy Milone, catcher Derek Norris, right-hander Brad Peacock, and minor-league hurler A.J. Cole. Washington’s newest member of the rotation, after agreeing to a five-year, $42 million extension following the trade, will enjoy a spectacular first season in the nation’s capital, going 21-8 with an ERA of 2.89.