What is unusual about Jim Leyland's contract

Deal works for both Leyland and Tigers

The Tigers won the pennant. In those circumstances, the manager doesn't get fired. What is different about the Tigers and their situation with Jim Leyland is they do it on a year-by-year basis.
Normally, a manager on a one-year deal is considered a lame duck, who is doesn't command much respect in the clubhouse because the players figure he won't be there