Wed 1/29/14 7:39 PM

Ryan Madson held a private workout for a team Tuesday, according to Jerry Crasnick of ESPN. Crasnick also said the unnamed team is viewed as the frontrunner for the right-hander's services. Madson has a public workout scheduled for February 7 in Phoenix, an event several teams are expected to attend. Among those believed to have interest are the Phillies, Red Sox and Royals, and it's possible one of those is the aforementioned mystery team.