2016 MLB Relative Power Index (RPI),as of the games of July 31,2016 from ESPN.GO.COM

MLB RPI Rankings

RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Texas Rangers	.523	62	44	.585	.503	0	505	496	54-52	.509
2	Chicago Cubs	.522	63	41	.606	.494	0	529	365	70-34	.677
3	Toronto Blue Jays	.522	59	46	.562	.508	0	518	437	61-44	.584
4	Cleveland Indians	.521	60	42	.588	.499	0	505	408	62-40	.605
5	Baltimore Orioles	.521	59	45	.567	.505	0	492	465	55-49	.528
6	Washington Nationals	.520	61	44	.581	.499	0	483	371	66-39	.629
7	Boston Red Sox	.517	57	46	.553	.504	0	574	490	60-43	.578
8	San Francisco Giants	.512	61	44	.581	.489	0	473	419	59-46	.560
9	Detroit Tigers	.511	57	48	.543	.501	0	503	485	54-51	.518
10	Los Angeles Dodgers	.510	59	46	.562	.493	0	464	390	62-43	.586
11	St. Louis Cardinals	.508	56	49	.533	.499	0	533	444	62-43	.590
12	Seattle Mariners	.506	52	51	.505	.507	0	486	455	55-48	.533
13	Houston Astros	.505	55	49	.529	.497	0	468	430	56-48	.542
14	New York Mets	.503	54	50	.519	.497	0	381	372	53-51	.512
15	New York Yankees	.503	52	52	.500	.503	0	419	452	48-56	.462
16	Pittsburgh Pirates	.502	52	51	.505	.501	0	471	474	51-52	.497
17	Kansas City Royals	.500	49	55	.471	.510	0	404	463	45-59	.432
18	Miami Marlins	.500	57	48	.543	.486	0	451	429	55-50	.525
19	Chicago White Sox	.500	51	54	.486	.505	0	419	451	49-56	.463
20	Colorado Rockies	.491	52	53	.495	.490	0	536	528	53-52	.508
21	Los Angeles Angels	.490	47	58	.448	.505	0	485	484	53-52	.501
22	Oakland Athletics	.489	47	58	.448	.503	0	428	510	43-62	.413
23	Milwaukee Brewers	.485	47	56	.456	.495	0	417	474	45-58	.436
24	San Diego Padres	.484	45	60	.429	.503	0	457	511	47-58	.444
25	Tampa Bay Rays	.484	42	61	.408	.509	0	411	459	46-57	.445
26	Philadelphia Phillies	.480	48	59	.449	.491	0	380	484	41-66	.381
27	Arizona Diamondbacks	.479	43	62	.410	.502	0	466	558	43-62	.411
28	Cincinnati Reds	.477	42	62	.404	.501	0	447	584	38-66	.369
29	Minnesota Twins	.474	40	64	.385	.504	0	461	540	44-60	.422
30	Atlanta Braves	.462	37	68	.352	.499	0	360	498	36-69	.343

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.