Luis Castillo Trade Rumors: Mariners open to dealing ace for offensive upgrades amidst budget constraints

MLB: Seattle Mariners at Oakland Athletics - Source: Imagn

It has been a crazy offseason in Major League Baseball, but there are still some big moves to be made. One MLB reporter believes Seattle Mariners ace, Luis Castillo, could be on the move.

Getting into specifics of a potential trade is not easy, especially since it's unclear what teams might be looking to add Castillo. If the asking price is right, Castillo is definitely someone that would be coveted by other clubs.

"One of the Very Best Arms in the American League"

MLB Network's Jon Morosi was the first to throw out this rumor, and he did so while giving Castillo plenty of praise. Morosi called Castillo one of the best arms in the American League, and the numbers have backed that up.