2014 MLB Relative Power Index (RPI),as of the games of July 4,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.532	53	33	.616	.504	0	430	301	58-28	.671
2	Los Angeles Angels	.521	49	36	.576	.503	0	415	355	49-36	.577
3	Detroit Tigers	.521	48	35	.578	.501	0	389	356	45-38	.544
4	Milwaukee Brewers	.519	51	36	.586	.496	0	390	358	47-40	.543
5	St. Louis Cardinals	.515	47	40	.540	.506	8	319	298	46-41	.534
6	Kansas City Royals	.511	45	40	.529	.505	0	354	335	45-40	.528
7	Seattle Mariners	.511	47	39	.547	.499	10	360	296	51-35	.597
8	Toronto Blue Jays	.511	47	41	.534	.503	0	404	372	48-40	.541
9	Atlanta Braves	.510	48	38	.558	.494	0	316	308	44-42	.513
10	Pittsburgh Pirates	.509	45	41	.523	.505	0	353	359	42-44	.492
11	Baltimore Orioles	.508	46	39	.541	.497	0	369	349	45-40	.528
12	Washington Nationals	.508	46	39	.541	.497	0	344	299	48-37	.570
13	Cincinnati Reds	.508	44	41	.518	.504	0	329	315	44-41	.522
14	New York Yankees	.504	43	42	.506	.504	0	343	376	39-46	.454
15	Los Angeles Dodgers	.504	50	39	.562	.484	0	376	319	52-37	.581
16	San Francisco Giants	.503	47	39	.547	.488	0	341	317	46-40	.536
17	Cleveland Indians	.499	41	44	.482	.505	0	373	393	40-45	.474
18	Chicago White Sox	.493	41	46	.471	.500	0	377	407	40-47	.462
19	Minnesota Twins	.492	38	47	.447	.507	0	355	389	39-46	.454
20	Boston Red Sox	.491	38	47	.447	.505	0	321	364	37-48	.437
21	Chicago Cubs	.489	38	46	.452	.501	0	330	329	42-42	.502
22	Texas Rangers	.488	37	49	.430	.507	0	353	427	35-51	.406
23	Miami Marlins	.487	41	45	.477	.491	0	370	371	43-43	.499
24	Houston Astros	.487	36	52	.409	.513	0	328	404	35-53	.397
25	Tampa Bay Rays	.487	39	50	.438	.503	0	337	373	40-49	.449
26	New York Mets	.485	38	48	.442	.499	0	334	339	42-44	.493
27	San Diego Padres	.484	39	47	.453	.495	0	256	303	36-50	.417
28	Philadelphia Phillies	.478	37	49	.430	.494	0	326	377	37-49	.428
29	Colorado Rockies	.476	36	51	.414	.496	0	422	457	40-47	.460
30	Arizona Diamondbacks	.473	36	52	.409	.494	0	349	417	36-52	.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.