Justin Upton is still a member of the Arizona Diamondbacks, but not for a lack of effort by the D-Backs in trying to move him.
The Diamondbacks were in agreement on a trade that would have sent Upton to the Seattle Mariners, but the two-time All-Star rejected the proposed deal, major-league sources say.
The Mariners are one of four clubs on Upton's no-trade list, according to sources. At least two other teams, the Texas Rangers and Atlanta Braves, also are pursuing him.
A rejection of the Mariners could be an attempt by Upton to leverage the Diamondbacks into sending him to a more preferred destination. The D-Backs, meanwhile, could be telling him that Seattle is his only option if he wants to leave Arizona, and for that reason it's always possible that a deal could revive.
Upton, 25, is under contract for $38.5 million over the next three years. He has been the subject of repeated trade discussions almost since the moment that Kevin Towers became the Arizona GM in the fall of 2...