2014 MLB Relative Power Index (RPI),as of the games of June 21,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	Oakland Athletics	.537	47	28	.627	.508	2	383	247	53-22	.706
2	Milwaukee Brewers	.519	46	30	.605	.491	3	345	309	42-34	.555
3	Los Angeles Angels	.517	40	33	.548	.507	5	345	306	41-32	.560
4	Detroit Tigers	.516	39	32	.549	.505	6	318	317	36-35	.502
5	San Francisco Giants	.515	44	30	.595	.488	1	318	272	43-31	.577
6	Toronto Blue Jays	.514	42	34	.553	.501	4	357	331	41-35	.538
7	New York Yankees	.512	39	34	.534	.504	10	297	319	34-39	.464
8	St. Louis Cardinals	.509	40	35	.533	.501	8	276	253	41-34	.543
9	Seattle Mariners	.509	39	36	.520	.505	16	299	263	42-33	.564
10	Kansas City Royals	.508	39	35	.527	.502	11	310	295	39-35	.525
11	Atlanta Braves	.507	38	36	.514	.505	9	267	278	36-38	.480
12	Baltimore Orioles	.506	38	35	.521	.502	13	305	304	37-36	.502
13	Washington Nationals	.502	38	35	.521	.496	7	296	259	41-32	.566
14	Cleveland Indians	.502	37	38	.493	.505	17	332	352	35-40	.471
15	Minnesota Twins	.502	35	38	.479	.510	20	310	327	35-38	.473
16	Pittsburgh Pirates	.502	36	38	.486	.507	14	302	321	35-39	.470
17	Los Angeles Dodgers	.501	41	35	.539	.488	12	327	288	43-33	.563
18	Texas Rangers	.499	35	39	.473	.508	19	316	361	32-42	.434
19	Cincinnati Reds	.498	36	37	.493	.500	18	286	283	37-36	.505
20	Boston Red Sox	.492	34	41	.453	.505	21	284	302	35-40	.469
21	Miami Marlins	.491	37	37	.500	.488	15	321	314	38-36	.511
22	Chicago White Sox	.490	35	40	.467	.498	22	328	356	34-41	.459
23	Houston Astros	.489	33	43	.434	.508	24	289	340	32-44	.419
24	Colorado Rockies	.487	34	40	.459	.496	23	372	378	36-38	.492
25	New York Mets	.486	34	41	.453	.497	25	283	291	36-39	.486
26	Philadelphia Phillies	.486	34	39	.466	.492	26	290	314	34-39	.460
27	Chicago Cubs	.481	31	41	.431	.498	29	279	287	35-37	.486
28	San Diego Padres	.478	32	43	.427	.495	28	224	287	28-47	.379
29	Arizona Diamondbacks	.474	32	46	.410	.496	27	317	380	32-46	.410
30	Tampa Bay Rays	.474	30	46	.395	.500	30	279	321	33-43	.430

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.