Rzepczynski agreed to a two-year deal with the Mariners on Thursday, ESPN's Jerry Crasnick reports.

Seattle's flurry of offseason moves continued with the addition of Rzepcynski to an already promising bullpen. He should serve as a lefty specialist, as he boasts a 2.59 FIP, 1.08 WHIP and 26.8 percent strikeout rate in 184 career innings against southpaws.

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