By Ken Rosenthal and Jon Paul Morosi
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 Uptons no-trade list, according to sources. At least two other teams, the Texas Rangers and Atlanta Braves, also are pursuing him.
The D-Backs would have received a package of young talent from the Mariners, sources say, but the identity of the other players in the trade is not known.
Upton's rejection of the Mariners could be an attempt by him to leverage the Diamondbacks into sending him to a more preferred destination. The D-Backs, meanwhile, could be telling Upton that Seattle is his only option if he wants to leave Arizona, and for that reason its always possible that a deal could r...