Justin Upton Can Block Trade to Red Sox, Yankees, Indians if Diamondbacks Look to Move Outfielder

Plenty of Major League Baseball teams may be deluding themselves into thinking that an extra wild-card berth this fall means they should hang on to key players for a second-half push despite playing mediocre ball so far. But the Arizona Diamondbacks, 42-46 going into Monday's game and far from the form that sent them to a division title last year, seem to be more realistic. With the losses piling up, the Diamondbacks appear ready to deal Justin Upton, a two-time All-Star who has played all of his six pro seasons with Arizona. Upton, 24, is under contract with the Diamondbacks...