2014 MLB Relative Power Index (RPI),as of the games of July 3,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.532	52	33	.612	.506	0	429	301	57-28	.670
2	Detroit Tigers	.523	48	34	.585	.502	0	386	350	45-37	.549
3	Los Angeles Angels	.521	48	36	.571	.504	0	408	349	49-35	.577
4	Milwaukee Brewers	.520	51	35	.593	.495	0	388	354	47-39	.546
5	Seattle Mariners	.513	47	38	.553	.500	10	359	289	52-33	.607
6	St. Louis Cardinals	.513	46	40	.535	.505	8	316	296	46-40	.533
7	Toronto Blue Jays	.511	47	40	.540	.502	0	404	371	47-40	.543
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	Baltimore Orioles	.508	46	39	.541	.497	0	369	349	45-40	.528
12	Pittsburgh Pirates	.507	44	41	.518	.504	0	345	357	41-44	.483
13	Cincinnati Reds	.505	43	41	.512	.502	0	325	313	44-40	.519
14	San Francisco Giants	.504	47	38	.553	.488	0	341	315	46-39	.540
15	Los Angeles Dodgers	.503	49	39	.557	.485	0	367	319	50-38	.570
16	New York Yankees	.502	42	42	.500	.503	0	337	371	38-46	.452
17	Cleveland Indians	.501	41	43	.488	.505	0	372	386	40-44	.482
18	Minnesota Twins	.494	38	46	.452	.508	0	350	383	38-46	.455
19	Chicago White Sox	.492	40	46	.465	.500	0	370	406	39-47	.454
20	Boston Red Sox	.491	38	47	.447	.505	0	321	364	37-48	.437
21	Texas Rangers	.491	37	48	.435	.509	0	348	421	35-50	.406
22	Houston Astros	.489	36	51	.414	.514	0	322	397	35-52	.397
23	Miami Marlins	.488	41	44	.482	.490	0	368	368	43-43	.500
24	Chicago Cubs	.486	37	46	.446	.499	0	323	327	41-42	.494
25	Tampa Bay Rays	.485	38	50	.432	.502	0	331	370	39-49	.445
26	New York Mets	.483	37	48	.435	.499	0	328	334	42-43	.491
27	San Diego Padres	.483	38	47	.447	.495	0	254	303	35-50	.413
28	Philadelphia Phillies	.479	37	48	.435	.494	0	324	369	37-48	.435
29	Colorado Rockies	.477	36	50	.419	.497	0	422	448	40-46	.470
30	Arizona Diamondbacks	.473	36	51	.414	.493	0	347	412	36-51	.415

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.