For 4 million, you get the keep the services of Heath Bell from arbitration and possibly get a large sum of money.
ERA under 3? Check
Good WHIP? Check
Probably someone you don't want to meet in a dark alley? Check
First year as a closer, it was a pretty successful one. Does he pull it off again so he can break the bank with San Diego or, likely get dealt to another team and break someone else's bank?
Closer Heath Bell agrees to one-year, $4 million contract with San Diego Padres - ESPN