The White Sox have signed left-hander Robbie Ross to a minor league contract, as announced by the team on Twitter.  The deal contains an invitation to Chicago’s big league Spring Training camp.

Ross has been a durable and effective reliever in four of his six MLB seasons, apart from a disastrous 2014 campaign (that included 12 starts) and an injury-shortened 2017 season.  Ross was limited to just 15 total innings last year (nine with the Red Sox and six in Triple-A) due to elbow inflammation and then a season-ending back surgery in August.  Boston outrighted Ross off its roster following the season and the 28-year-0ld chose to become a free agent.

Over 330 2/3 innings with the Rangers and Red Sox, Ross has a 3.92 ERA, 7.5 K/9, 2.28 K/BB rate, and an impressive 52.2% grounder rate.  He has been just about equally effective against hitters on both sides of the plate, holding left-handed batters to a .712 OPS and right-handed batters to a .723 OPS over the course of his career.

If Ross is healthy, he could be a very nice low-cost addition to a White Sox team that has aggressively shopped for relief help this offseason.  Ross is one of many notable bullpen names (Xavier Cedeno, Jeanmar Gomez, Bruce Rondon, T.J. House, Rob Scahill, Chris Volstad, Michael Ynoa) in Chicago’s camp as a non-roster invite, plus closer Joakim Soria and Luis Avilan are also new additions to the White Sox roster.  Avilan looks to be the top left-handed option, and thus Ross and Cedeno could be competing to be the second southpaw in the Sox pen, though Ross’ success against both batters doesn’t necessarily limit him to a LOOGY-type of role.

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