2014 MLB Relative Power Index (RPI),as of the games of July 1,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.533	51	32	.614	.506	0	422	291	56-27	.678
2	Los Angeles Angels	.522	47	35	.573	.504	0	401	344	47-35	.576
3	Milwaukee Brewers	.521	51	34	.600	.495	0	384	347	47-38	.550
4	Detroit Tigers	.520	46	34	.575	.502	0	369	346	43-37	.532
5	Seattle Mariners	.513	46	38	.548	.501	10	354	287	51-33	.603
6	Atlanta Braves	.510	46	38	.548	.498	0	308	305	42-42	.505
7	St. Louis Cardinals	.510	44	40	.524	.505	8	307	294	44-40	.522
8	Toronto Blue Jays	.509	46	39	.541	.499	0	396	363	46-39	.543
9	Washington Nationals	.508	45	38	.542	.497	0	338	289	48-35	.578
10	Pittsburgh Pirates	.508	43	40	.518	.505	0	338	346	41-42	.488
11	Kansas City Royals	.508	43	40	.518	.504	0	343	334	43-40	.513
12	San Francisco Giants	.507	47	36	.566	.488	0	339	306	46-37	.551
13	Cincinnati Reds	.507	43	40	.518	.503	0	325	310	43-40	.524
14	Baltimore Orioles	.505	44	39	.530	.497	0	358	343	43-40	.521
15	Los Angeles Dodgers	.504	48	38	.558	.486	0	360	312	49-37	.571
16	New York Yankees	.503	41	41	.500	.504	0	327	361	37-45	.451
17	Cleveland Indians	.499	40	43	.482	.504	0	367	382	40-43	.480
18	Minnesota Twins	.497	38	44	.463	.508	0	346	372	38-44	.464
19	Texas Rangers	.494	37	46	.446	.509	0	342	410	34-49	.410
20	Boston Red Sox	.492	38	46	.452	.505	0	312	348	37-47	.446
21	Houston Astros	.490	36	49	.424	.513	0	318	387	34-51	.403
22	Chicago White Sox	.489	39	46	.459	.499	0	367	404	38-47	.452
23	Miami Marlins	.489	40	43	.482	.491	0	359	363	41-42	.494
24	New York Mets	.484	37	47	.440	.499	0	327	331	41-43	.494
25	Chicago Cubs	.484	36	46	.439	.499	0	307	318	40-42	.482
26	Tampa Bay Rays	.483	37	49	.430	.501	0	324	359	39-47	.449
27	San Diego Padres	.481	37	47	.440	.495	0	251	303	34-50	.407
28	Colorado Rockies	.481	36	48	.429	.498	0	417	441	40-44	.472
29	Philadelphia Phillies	.479	36	47	.434	.494	0	319	360	37-46	.440
30	Arizona Diamondbacks	.474	35	50	.412	.494	0	336	405	35-50	.408

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.