2016 MLB Relative Power Index (RPI),as of the games of July 17,2016 from ESPN.GO.COM

MLB RPI Rankings

RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Texas Rangers	.527	55	38	.591	.505	0	448	437	48-45	.512
2	Baltimore Orioles	.524	53	37	.589	.502	0	450	410	49-41	.546
3	Washington Nationals	.524	56	37	.602	.498	0	434	320	60-33	.648
4	Boston Red Sox	.523	51	39	.567	.508	0	501	432	52-38	.574
5	Cleveland Indians	.521	54	37	.593	.497	0	451	363	55-36	.607
6	Toronto Blue Jays	.521	52	42	.553	.510	0	463	388	55-39	.587
7	Chicago Cubs	.521	55	36	.604	.493	0	470	326	61-30	.675
8	San Francisco Giants	.518	57	36	.613	.486	0	434	367	54-39	.583
9	Los Angeles Dodgers	.509	52	42	.553	.494	0	401	344	54-40	.576
10	Houston Astros	.508	50	42	.543	.497	0	416	376	51-41	.550
11	Kansas City Royals	.507	46	45	.505	.508	0	364	390	42-49	.466
12	New York Mets	.507	49	42	.538	.496	0	347	322	49-42	.537
13	Detroit Tigers	.507	48	44	.522	.502	0	438	439	46-46	.499
14	Seattle Mariners	.504	46	46	.500	.505	0	440	399	50-42	.549
15	Pittsburgh Pirates	.503	47	45	.511	.501	0	426	428	46-46	.498
16	St. Louis Cardinals	.503	47	44	.516	.498	0	469	379	55-36	.605
17	Chicago White Sox	.502	45	46	.495	.505	0	369	396	42-49	.465
18	Miami Marlins	.500	49	42	.538	.487	0	384	384	46-46	.500
19	New York Yankees	.499	45	46	.495	.500	0	379	416	41-50	.454
20	San Diego Padres	.488	41	51	.446	.502	0	409	451	42-50	.451
21	Colorado Rockies	.487	42	49	.462	.496	0	469	474	45-46	.495
22	Philadelphia Phillies	.486	43	50	.462	.494	0	335	427	35-58	.381
23	Arizona Diamondbacks	.485	40	53	.430	.504	0	417	475	40-53	.435
24	Los Angeles Angels	.484	40	52	.435	.500	0	419	424	45-47	.494
25	Oakland Athletics	.482	40	52	.435	.497	0	382	451	38-54	.418
26	Tampa Bay Rays	.480	35	56	.385	.512	0	353	426	37-54	.407
27	Milwaukee Brewers	.477	39	51	.433	.491	0	355	425	37-53	.411
28	Cincinnati Reds	.471	34	58	.370	.504	0	383	543	31-61	.332
29	Atlanta Braves	.470	32	60	.348	.510	0	313	429	32-60	.347
30	Minnesota Twins	.469	33	58	.363	.504	0	403	481	38-53	.412

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.