SATURDAY: A Twins official says the team has very limited interest in Soriano and “might” watch him pitch if he were to hold a workout, LaVelle E. Neal III of the Star Tribune tweets.

FRIDAY: The Twins have inquired about watching free agent right-hander Rafael Soriano throw, Darren Wolfson of 1500 ESPN reports (via Twitter). Minnesota is known to be looking for bullpen help, and Soriano is the most established relief arm left on the open market. It’s possible, Wolfson notes, that they’ve already seen him throw in Miami.

Soriano, 35, is a client of Scott Boras and the lone remaining player from MLBTR’s list of Top 50 free agents that is yet unsigned this winter. At first glance, his 2014 numbers might make the fact that he remains a free agent surprising. He did, after all, work to a 3.19 ERA with 8.6 K/9, 2.8 BB/9 and 32 saves with the Nationals.

Soriano did also benefit from the second-lowest homer-to-flyball ratio of his career, however, and he lost the handle on the closer’s gig in September. Over Soriano’s final 18 appearances last year, he yielded 13 runs in 16 2/3 innings for a 7.02 ERA. Those struggles likely played a big role in the somewhat tepid market for Soriano this offseason, as scouts told ESPN’s Buster Olney last month that they felt the veteran closer’s stuff evaporated late in the year.

Still, it’s not entirely surprising to see Minnesota inquiring on Soriano. I noted in my Offseason Review of the Twins that it wouldn’t be surprising for Boras to try to sell GM Terry Ryan on Soriano, as closer Glen Perkins was shut down late last year with a forearm injury and has been battling an oblique issue this spring. Beyond Perkins, the Twins lack established bullpen arms. Casey Fien looks to be the top setup option, and lefty Brian Duensing is a lock for the ’pen as well. Tim Stauffer will probably hold down a spot despite a poor spring, and his former Padres teammate Blaine Boyer looks increasingly likely to make the club as a non-roster invitee. Additionally, it’s possible that Mike Pelfrey, Trevor May or Tommy Milone, each of whom is fighting for the fifth starter’s role, could end up in the ’pen as well. Other options such as Ryan Pressly and Michael Tonkin have already been optioned, though Rule 5 pick J.R. Graham is still in the mix for a spot and may yet make the club to open the season.