The Mariners are going to need a new closer.
Still on crutches, David Aardsma is not getting traded as many expected. He's also likely to start the season on the disabled list, so the Mariners will need to call on someone else to close out their late inning leads.
Granted, we shouldn't expect many save opportunities in the three weeks Aardsma may start the season on the shelf. I'll liberally guess the Mariners will have 11 to 13 of those chances in April.
So they're going to need someone to step up.
Here's a look at the 10 arms that have the best chance to slide into that role.