2016 MLB Relative Power Index (RPI),as of the games of August 11,2016 from ESPN.GO.COM

MLB RPI Rankings

RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Chicago Cubs	.530	72	41	.637	.494	0	568	379	78-35	.692
2	Texas Rangers	.525	68	48	.586	.505	0	546	541	59-57	.505
3	Washington Nationals	.523	67	46	.593	.499	0	530	394	73-40	.644
4	Toronto Blue Jays	.520	65	50	.565	.505	0	551	470	67-48	.579
5	Baltimore Orioles	.518	64	50	.561	.504	0	534	496	61-53	.537
6	Cleveland Indians	.515	64	48	.571	.496	0	565	475	66-46	.586
7	Boston Red Sox	.514	61	52	.540	.505	0	609	528	65-48	.571
8	Seattle Mariners	.512	60	53	.531	.506	0	526	482	61-52	.544
9	San Francisco Giants	.512	65	49	.570	.492	0	505	455	63-51	.552
10	Los Angeles Dodgers	.510	64	50	.561	.493	0	504	438	65-49	.570
11	Detroit Tigers	.509	61	53	.535	.501	0	536	520	59-55	.515
12	New York Yankees	.505	58	56	.509	.504	0	470	498	54-60	.471
13	Houston Astros	.504	60	55	.522	.498	0	516	465	63-52	.552
14	St. Louis Cardinals	.503	60	55	.522	.496	0	567	498	65-50	.565
15	Miami Marlins	.501	60	54	.526	.493	0	487	473	59-55	.515
16	Kansas City Royals	.501	55	59	.482	.507	0	436	497	50-64	.435
17	Pittsburgh Pirates	.500	57	55	.509	.497	0	503	510	55-57	.493
18	New York Mets	.500	57	57	.500	.499	0	418	417	57-57	.501
19	Chicago White Sox	.497	54	60	.474	.505	0	452	496	52-62	.454
20	Colorado Rockies	.493	56	59	.487	.495	0	603	583	59-56	.517
21	Oakland Athletics	.489	51	64	.443	.504	0	461	555	47-68	.408
22	Los Angeles Angels	.486	49	65	.430	.505	0	521	541	55-59	.481
23	Philadelphia Phillies	.485	53	63	.457	.495	0	431	537	45-71	.392
24	San Diego Padres	.484	49	65	.430	.502	0	504	548	52-62	.458
25	Arizona Diamondbacks	.482	48	66	.421	.502	0	509	615	46-68	.407
26	Tampa Bay Rays	.481	46	67	.407	.506	0	454	498	51-62	.454
27	Milwaukee Brewers	.481	51	62	.451	.490	0	465	525	50-63	.440
28	Cincinnati Reds	.480	46	67	.407	.504	0	490	617	44-69	.387
29	Minnesota Twins	.477	46	69	.400	.503	0	530	610	49-66	.430
30	Atlanta Braves	.466	43	72	.374	.497	0	407	537	42-73	.365

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.