They need to stop delaying the inevitable. And if I remember the Mariner's requirements for retiring a number correctly Edgar meets it.
Mariners requirement for retiring a players number (if i remember correctly) goes like this:
I'm pretty sure Edgar Martinez meets the second half of that requirement, The Double anyone? Or even the fact that he was ranked as the number one DH by MLB Networks show Prime 9, as well as being called a Litmus test for fellow DH's on getting into the Hall of Fame.