In what D.C. thought was a very bizarre roster move, the Mariners designated pitcher Will Vest for assignment the other day. D.C. explains why he thought the move was bizarre, and talks about who he thought would have been the next to go if a 40-man roster spot needed to be cleared. With Cal Raleigh's call up to the Mariners over the weekend, the M's now have three catchers on the roster... or do they? D.C. explains what Mr. Raleigh's promotion might mean for Luis Torrens. Also, this is episode 300 of Locked On Mariners. D.C. takes some time out of the end of the show to note this, ahem, momentous occasion, which he didn't know was approaching until last night.

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