2014 MLB Relative Power Index (RPI),as of the games of June 26,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.533	48	30	.615	.505	0	398	269	54-24	.686
2	Milwaukee Brewers	.522	49	32	.605	.494	0	369	327	45-36	.560
3	Los Angeles Angels	.520	44	33	.571	.503	0	370	320	44-33	.572
4	Detroit Tigers	.519	43	32	.573	.501	0	350	329	40-35	.531
5	Toronto Blue Jays	.514	45	36	.556	.501	0	385	349	44-37	.549
6	St. Louis Cardinals	.511	43	37	.538	.503	0	303	273	44-36	.552
7	New York Yankees	.510	40	37	.519	.507	0	311	345	35-42	.448
8	San Francisco Giants	.510	46	33	.582	.486	0	329	289	45-34	.564
9	Baltimore Orioles	.508	41	36	.532	.500	13	326	316	40-37	.516
10	Seattle Mariners	.508	42	37	.532	.500	0	325	274	46-33	.585
11	Pittsburgh Pirates	.507	40	39	.506	.508	0	324	335	38-41	.483
12	Washington Nationals	.506	41	37	.526	.500	0	312	276	44-34	.561
13	Kansas City Royals	.505	40	38	.513	.503	0	320	307	41-37	.521
14	Cincinnati Reds	.505	40	38	.513	.503	0	306	296	40-38	.517
15	Atlanta Braves	.505	40	38	.513	.503	0	276	290	37-41	.475
16	Los Angeles Dodgers	.505	45	36	.556	.488	0	340	298	46-35	.566
17	Minnesota Twins	.499	36	41	.468	.510	0	328	352	36-41	.465
18	Cleveland Indians	.498	38	40	.487	.502	0	350	372	37-41	.470
19	Texas Rangers	.494	35	43	.449	.509	0	326	388	32-46	.414
20	Boston Red Sox	.493	36	43	.456	.505	0	301	332	36-43	.451
21	New York Mets	.489	36	43	.456	.500	0	311	310	40-39	.502
22	Miami Marlins	.488	39	40	.494	.487	0	340	339	40-39	.501
23	Houston Astros	.487	34	46	.425	.507	0	299	353	33-47	.418
24	Philadelphia Phillies	.486	36	42	.462	.495	0	307	333	36-42	.459
25	Chicago White Sox	.485	36	44	.450	.497	0	345	382	36-44	.449
26	Colorado Rockies	.483	35	44	.443	.497	0	397	413	38-41	.480
27	Chicago Cubs	.482	33	44	.429	.500	0	294	305	37-40	.482
28	San Diego Padres	.481	34	45	.430	.498	0	238	295	31-48	.394
29	Tampa Bay Rays	.475	32	48	.400	.500	0	295	338	35-45	.432
30	Arizona Diamondbacks	.474	33	48	.407	.497	0	328	398	33-48	.404

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.