Simple enough, hey? A guy gets hurt, he goes on the DL, backdated to his last appearance. Well...
The Pirates tried to put closer Jason Grilli on the 15-day DL with an oblique strain, but were unable to because they wanted to call back Jared Hughes. They backdated Grilli's injury to Monday, but couldn't bring Hughes back because he was on the 25-man roster then. The rule is that a player has to spend 10 days in the minors after being optioned except in case of injury, and since Hughes was on the active roster when Grilli was hurt and only later sent down, that rule still applies.
So they'll try again. Either they'll put Grilli on the DL dated to after Hughes was sent down (on Thursday, replaced by Brandon Cumpton) or call up a guy like Vin Mazzaro.
Mark the Shark is expected to assume the closer role in place of Grilli, and Tony Watson could join the mix.
Russ Martin, who sat out a couple of days, has a hammy injury and may join Grilli on the DL. The Bucs will evaluate the injury further tomorrow before deciding whether to go with Martin or call Tony Sanchez back. He was already safely tucked away in Indy before Russ' injury, so that will work out.