Eck spent about half his career in each role .
Because of his unusual double as one of the best starters and one of the best closers of his time , Smoltz really has only one comparable , and that 's Dennis Eckersley .
Eck spent about half Smoltz 's career in each role .
Because of his unusual double as one of the best starters and one of the best closers of his time , Smoltz really has only one comparable , and that 's Dennis Eckersley .