Top 10 Best WHIP for Relievers 2008-12

Rk	Player	WHIP	G
1	Mariano Rivera	0.825	264
2	Sergio Romo	0.883	276
3	Mike Adams	0.990	297
4	Joe Nathan	0.999	252
5	Huston Street	1.049	273
6	Dan Wheeler	1.056	262
7	Joel Peralta	1.057	253
8	Darren O'Day	1.058	255
9	Grant Balfour	1.061	318
10	Rafael Soriano	1.066	266

Provided by Baseball-Reference.com: View Play Index Tool Used
Generated 1/14/2013.