A total of 32 MLB scouts reportedly watched Joel Hanrahan’s workout two weeks ago, but far fewer teams may be in on the 32-year-old reliever.

According to CBS Sports’ Jon Heyman, the Tigers are one of five teams that are “showing strong interest” in Hanrahan, who is coming off Tommy John surgery that cut last season short.

Traded to the Boston Red Sox in December 2012, Hanrahan has 100 career saves, most of them in two All-Star seasons with the Pittsburgh Pirates in 2011-12. He pitched in just nine games for Boston before his elbow issues cropped up in April.

Owners of the second-worst bullpen ERA in baseball (5.48), the Tigers could certainly use another experienced arm. General manager Dave Dombrowski said before the workout that the team would be represented there.