2014 MLB Relative Power Index (RPI),as of the games of July 2,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.531	51	33	.607	.506	0	425	300	56-28	.667
2	Detroit Tigers	.523	47	34	.580	.503	0	378	349	44-37	.540
3	Milwaukee Brewers	.520	51	35	.593	.496	0	388	354	47-39	.546
4	Los Angeles Angels	.520	47	36	.566	.504	0	403	347	48-35	.574
5	Seattle Mariners	.513	47	38	.553	.500	10	359	289	52-33	.607
6	Toronto Blue Jays	.512	47	39	.547	.500	0	403	367	47-39	.547
7	St. Louis Cardinals	.511	45	40	.529	.505	8	309	294	45-40	.525
8	Atlanta Braves	.511	47	38	.553	.496	0	311	306	43-42	.508
9	Kansas City Royals	.510	44	40	.524	.506	0	347	334	44-40	.519
10	Washington Nationals	.509	46	38	.548	.497	0	342	292	49-35	.578
11	Pittsburgh Pirates	.509	44	40	.524	.504	0	343	347	42-42	.494
12	Baltimore Orioles	.507	45	39	.536	.498	0	364	347	44-40	.524
13	San Francisco Giants	.506	47	37	.560	.488	0	339	308	46-38	.548
14	Cincinnati Reds	.505	43	41	.512	.502	0	325	313	44-40	.519
15	Los Angeles Dodgers	.502	48	39	.552	.485	0	364	317	49-38	.569
16	New York Yankees	.501	41	42	.494	.503	0	330	367	37-46	.447
17	Cleveland Indians	.501	41	43	.488	.505	0	372	386	40-44	.482
18	Minnesota Twins	.496	38	45	.458	.508	0	346	376	38-45	.459
19	Texas Rangers	.492	37	47	.440	.509	0	346	416	34-50	.409
20	Chicago White Sox	.491	40	46	.465	.500	0	370	406	39-47	.454
21	Boston Red Sox	.491	38	47	.447	.505	0	321	364	37-48	.437
22	Miami Marlins	.490	41	43	.488	.491	0	364	363	42-42	.501
23	Houston Astros	.489	36	50	.419	.513	0	320	392	34-52	.400
24	Chicago Cubs	.486	37	46	.446	.499	0	323	327	41-42	.494
25	Tampa Bay Rays	.485	38	49	.437	.501	0	330	362	39-48	.454
26	San Diego Padres	.483	38	47	.447	.495	0	254	303	35-50	.413
27	New York Mets	.483	37	48	.435	.499	0	328	334	42-43	.491
28	Colorado Rockies	.478	36	49	.424	.497	0	420	445	40-45	.471
29	Philadelphia Phillies	.477	36	48	.429	.494	0	319	365	36-48	.433
30	Arizona Diamondbacks	.471	35	51	.407	.493	0	337	410	35-51	.403

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.