Filtering relievers for xERA and pxERA

This is a very simple, basic column. Take the relievers who are projected for at least two holds or a save. From that subset, take the relievers who have an actual ERA to date under 3.50, an xERA to date under 3.50, a projected ERA (pERA) under 3.50, and a projected xERA (pxERA) under 3.50. You end up with just seven closers, one job-share closer, and seven non-closers. You want the best shot at preserving ERA and WHIP with relievers at the end of the season; these are the guys who give you the best shot.

Let's start with the closers who meet these simple criteria:

closers	IP	ERA	WHP	xERA	pSV	pIP	pERA	pWHP	pxERA
Duran, Jhoan PHI	45.1	1.79	1.04	1.97	8	13	2.08	1.08	2.11
Miller, Mason SD	52.1	0.86	0.82	1.87	7	13	2.08	0.92	2.01
Smith, Cade CLE	56.0	2.25	1.09	2.98	7	13	3.46	1.08

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