According to mlbtraderumors.com, the Reds are tentatively planning to bring in Jason Isringhausen tomorrow for a look. He last pitched for the Rays in June of last year, and since had Tommy John surgery. He thinks he'd need a couple weeks of rehab in the minors. The Cardinals, Rays, Yankees and Royals are also checking him out. They picked up the report from KFNS 590.