We'll keep track of the day's minor moves here: The Mariners have signed lefty Clay Rapada and added him to the roster at Triple-A Tacoma, according to Rainiers announce Mike Curto (on Twitter). Bob Dutton of the Tacoma News Tribune first reported (via Twitter) that Rapada was working out for the team. The left-hander has a 4.06 ERA in 94 big league innings but has never been able to hold down a consistent big league job despite dominant numbers against left-handed hitters; Rapada has held lefties to a minuscule .164/.255/.231 batting line in his career. However, righties have roughed him...

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