Rosenthal has a 0.00 ERA and has allowed three hits in seven innings over six appearances .
It 's hard to imagine a reliever as awesome this October as Boston 's Koji Uehara , but the Cards ' Trevor Rosenthal is on that level .
Trevor Rosenthal has a 0.00 ERA and has allowed three hits in seven innings over six appearances .
It 's hard to imagine a reliever as awesome this October as Boston 's Koji Uehara , but the Cards ' Trevor Rosenthal is on that level .