2014 MLB Relative Power Index (RPI),as of the games of July 5,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.535	54	33	.621	.506	0	435	302	59-28	.675
2	Los Angeles Angels	.523	50	36	.581	.503	0	426	360	50-36	.583
3	Milwaukee Brewers	.520	52	36	.591	.497	0	391	358	48-40	.544
4	Detroit Tigers	.519	48	36	.571	.501	0	391	363	45-39	.537
5	Seattle Mariners	.513	48	39	.552	.500	10	363	298	52-35	.597
6	St. Louis Cardinals	.513	47	41	.534	.505	8	324	304	47-41	.532
7	Atlanta Braves	.511	49	38	.563	.494	0	326	312	45-42	.522
8	Toronto Blue Jays	.510	47	42	.528	.504	0	405	377	48-41	.536
9	Pittsburgh Pirates	.509	46	41	.529	.503	0	356	361	43-44	.493
10	Washington Nationals	.509	47	39	.547	.496	0	357	299	51-35	.588
11	Kansas City Royals	.509	45	41	.523	.504	0	357	342	45-41	.521
12	Baltimore Orioles	.507	47	40	.540	.496	0	378	356	46-41	.530
13	Cincinnati Reds	.506	44	42	.512	.504	0	329	316	45-41	.520
14	San Francisco Giants	.503	48	39	.552	.487	0	346	320	47-40	.539
15	New York Yankees	.503	43	43	.500	.503	0	344	378	39-47	.453
16	Los Angeles Dodgers	.501	50	40	.556	.483	0	383	327	52-38	.578
17	Cleveland Indians	.501	42	44	.488	.505	0	380	396	41-45	.479
18	Minnesota Twins	.493	39	47	.453	.507	0	357	390	39-47	.456
19	Boston Red Sox	.492	39	48	.448	.507	0	328	373	38-49	.436
20	Chicago White Sox	.492	41	47	.466	.500	0	379	410	41-47	.461
21	Texas Rangers	.490	38	49	.437	.508	0	358	430	36-51	.409
22	Miami Marlins	.489	42	45	.483	.491	0	376	376	44-44	.500
23	Tampa Bay Rays	.488	40	50	.444	.503	0	344	375	41-49	.457
24	Chicago Cubs	.487	38	47	.447	.501	0	330	342	41-44	.482
25	Houston Astros	.487	36	53	.404	.514	0	333	415	35-54	.392
26	San Diego Padres	.483	39	48	.448	.495	0	259	308	36-51	.414
27	New York Mets	.483	38	49	.437	.499	0	337	344	43-44	.490
28	Colorado Rockies	.478	37	51	.420	.497	0	430	464	41-47	.462
29	Philadelphia Phillies	.477	37	50	.425	.495	0	328	380	37-50	.427
30	Arizona Diamondbacks	.471	36	53	.404	.494	0	353	427	36-53	.406

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.