And he throws it a touch harder than Rivera , which helps him rack up strikeouts .
This is a devastating comparison to put on a young closer , but Jansen 's following the same formula that worked for Mariano Rivera for a very , very long time .
Jansen throws it a touch harder than Mariano Rivera , which helps Mariano Rivera rack up strikeouts .
This is a devastating comparison to put on a young closer , but Jansen 's following the same formula that worked for Mariano Rivera for a very , very long time .