Potential impact of Hultzen's injury

Seattle has already experienced its share of underwhelming production out of former top prospects like Dustin Ackley, Justin Smoak and Jesus Montero, and the latest news of a possible serious injury to the throwing shoulder of left-hander Danny Hultzen, the No. 2 overall pick in the 2011 First-Year-Player Draft, casts serious doubts on yet another player the Mariners had pegged as a key part of their future.