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Mariners - 2013 RBI Baseball League Regular Season All-Time TEAM Single Season Batting Leaders | All-Time TEAM Single Season Pitching Leaders 2003 through 2014

Player	Year	G	W	L	T	S	IP	H	R	ER	BB	SO	ERA	SOIP	WHIP	HB
Jonathan Rivera	2013	4	3	0	0	0	21.2	9	8	7	16	17	2.91	.785	1.154	1

- Showing top 10 All-Time TEAM Single Season Pitching LEADERS.
- ERA Calculated using 9 innings.
- Qualifying IP for ERA, WHIP, and SOIP, using innings qualifier for respective season.