With the MLB trade deadline looming and the Seattle Mariners on the cusp of a playoff birth -- despite being in the midst of a "rebuilding" season -- here are 6 players they should consider unloading to stay the course and look towards long-term success.
Tonight, it's the major league debuts for touted outfield prospect Jarred Kelenic and promising right-hander Logan Gilbert before the Mariners' home series opener against Cleveland