Why Not Josh Willingham for the Mariners?

I was commenting on someone's article the other day and came across a very reasonable proposal. The proposal would bring Josh Willingham to the Seattle Mariners in a trade before the deadline. What would it take for Willingham to become a Seattle Mariner? A source says that Washington is very interested in receiving pitching in return for Willingham, seeing as how they lack in the pitching department: http://stlcardinals.scout.com/a.z?s=321&p=2&c=880717 Willingham, who turned 30 this season, is still a very solid, consistent bat who plays left field. He is due to make just under $3 million this year, and the Mariners just unloaded Yuniesky Betancourt's contract of $2.3 million to the Royals. Willingham is currently batting .294 with 13 home runs, 29 RBIs, a .414 on-base percentage, and a slugging percentage of .564 in 211 at bats. I believe he would be a very good addition to the Mariners line-up, which is awful when it comes to offensive production. He is relative...