Final 2016 MLB Relative Power Index (RPI),as of the games of October 1,2016 from ESPN.GO.COM

MLB RPI Rankings

RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Chicago Cubs	.530	102	58	.638	.494	0	801	552	108-52	.678
2	Texas Rangers	.525	95	66	.590	.503	0	761	751	82-79	.507
3	Boston Red Sox	.523	93	68	.578	.505	0	877	692	99-62	.616
4	Cleveland Indians	.520	93	67	.581	.499	0	774	674	91-69	.569
5	Baltimore Orioles	.518	88	73	.547	.508	0	739	713	83-78	.518
6	Washington Nationals	.517	94	67	.584	.494	0	753	605	98-63	.608
7	Toronto Blue Jays	.516	88	73	.547	.506	0	757	665	91-70	.564
8	Seattle Mariners	.511	86	75	.534	.504	0	766	704	87-74	.542
9	New York Yankees	.511	84	77	.522	.508	0	678	697	78-83	.486
10	Houston Astros	.509	84	77	.522	.505	0	723	693	84-77	.521
11	Detroit Tigers	.509	86	74	.538	.499	0	750	720	83-77	.520
12	Los Angeles Dodgers	.508	91	70	.565	.489	0	724	631	91-70	.568
13	St. Louis Cardinals	.505	85	76	.528	.498	0	769	708	87-74	.541
14	New York Mets	.505	87	74	.540	.493	0	669	612	88-73	.544
15	Kansas City Royals	.504	81	80	.503	.504	0	673	709	76-85	.474
16	San Francisco Giants	.502	86	75	.534	.492	0	708	630	90-71	.558
17	Chicago White Sox	.498	78	83	.484	.502	0	683	709	77-84	.481
18	Los Angeles Angels	.495	73	88	.453	.509	0	709	726	79-82	.488
19	Pittsburgh Pirates	.495	78	82	.488	.498	0	725	748	78-82	.484
20	Miami Marlins	.492	79	81	.494	.492	0	648	672	77-83	.482
21	Tampa Bay Rays	.487	67	94	.416	.511	0	666	709	75-86	.469
22	Colorado Rockies	.487	75	86	.466	.494	0	841	854	79-82	.492
23	Oakland Athletics	.486	68	93	.422	.507	0	650	759	68-93	.423
24	Milwaukee Brewers	.483	72	89	.447	.495	0	665	729	73-88	.454
25	Cincinnati Reds	.482	68	93	.422	.502	0	712	847	67-94	.414
26	Philadelphia Phillies	.479	70	91	.435	.494	0	605	794	59-102	.367
27	Atlanta Braves	.478	67	93	.419	.498	0	648	779	65-95	.409
28	San Diego Padres	.478	68	93	.422	.496	0	684	767	71-90	.443
29	Arizona Diamondbacks	.477	68	93	.422	.496	0	749	888	67-94	.416
30	Minnesota Twins	.468	58	103	.360	.504	0	716	886	64-97	.395

Glossary

• W: Wins
• L: Losses
• PCT: Winning percentage
• RPI: Relative Power Index+
• SOS: Strength of schedule

• PWR: ESPN Power Ranking
• RS: Runs scored
• RA: Runs allowed
• EXW-L: Expected W-L*
• EXWP: Expected winning percentage*

+The basic formula is 25% team winning percentage, 50% opponents' average winning percentage, and 25% opponents' opponents' average winning percentage.
*ExW-L and ExWP are derived from Bill James' Pythagorean theorem of baseball: Runs scored [squared] / (Runs scored [squared] + runs allowed [squared]). This formula was designed to relate a team's runs scored and runs allowed to its won-lost record.