They certainly aren’t the marquee moves that everybody has been waiting for, but the Seattle Mariners did add some depth on Thursday. Starter turned reliever Edgar Olmos was claimed off waivers from the Miami Marlins and starter Sam Gaviglio was acquired from the St. Louis Cardinals for utility man Ty Kelly.

Olmos, 24, was a third round pick of the Marlins back in 2008. The left-hander struggled in the low minors before transitioning to a reliever full-time in 2013. He would make his first appearance in the big leagues at the end of the year and worked five innings over five appearances. Olmos split 2014 between Double-A and Triple-A and pitched a 3.86 ERA in 51 and 1/3 innings. As noted by Prospect Insider’s Jason A. Churchill, there’s a chance Olmos could replace Joe Beimel in the bullpen.

Gaviglio was the Cardinals’ fifth-round draft choice in 2011. The 24-year old pitched well in his first two professional seasons and spent all of 2014 at Double-A. The right-hander posted a 4.28 ERA and 3.24 FIP in 136 and 2/3 innings of work. He struck out 126 batters and walked 46. Gaviglio is primarily a ground ball pitcher with velocity in the upper 80’s. There isn’t anything overly exciting about the pitcher, but he has shown good control and is another arm to pay some attention to in the upper minors next season.

Kelly was originally acquired from the Baltimore Orioles in exchange for outfielder Eric Thames. He spent both 2013 and 2014 with Tacoma at Triple-A and posted .862 and .793 OPS numbers respectively. The 26-year old didn’t appear to have a future with the club and was not added to the 40-man roster in September for a call-up.

In other news, the Mariners added catcher John Hicks, pitcher Mayckol Guaipe, and shortstop Katel Marte to the 40-man roster. Notable absentees are outfielder Jabari Blash and infielder Jordy Lara, the former coming off a year that included a drug-related suspension. The deadline to protect players from the Rule 5 draft by adding them to the 40-man roster was midnight eastern time. The Mariners currently have 39 of the 40 spots filled.

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