2014 MLB Relative Power Index (RPI),as of the games of May 24,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	San Francisco Giants	.542	31	18	.633	.512	3	205	170	29-20	.593
2	Detroit Tigers	.529	28	17	.622	.498	1	216	179	27-18	.593
3	Atlanta Braves	.528	27	21	.563	.516	6	159	152	25-23	.522
4	Oakland Athletics	.521	30	19	.612	.490	2	247	155	35-14	.717
5	Colorado Rockies	.514	27	22	.551	.502	7	260	211	30-19	.603
6	Cleveland Indians	.514	24	26	.480	.525	27	223	240	23-27	.463
7	Milwaukee Brewers	.512	29	21	.580	.489	4	192	186	26-24	.516
8	Los Angeles Angels	.511	27	21	.563	.494	10	237	191	29-19	.606
9	Minnesota Twins	.511	23	23	.500	.514	19	205	219	21-25	.467
10	Miami Marlins	.509	26	24	.520	.506	14	234	208	28-22	.559
11	Toronto Blue Jays	.509	28	22	.560	.492	13	243	222	27-23	.545
12	Los Angeles Dodgers	.506	26	24	.520	.502	9	213	212	25-25	.502
13	Kansas City Royals	.501	24	24	.500	.501	16	189	188	24-24	.503
14	Seattle Mariners	.501	24	24	.500	.501	20	200	188	25-23	.531
15	Baltimore Orioles	.498	24	23	.511	.494	8	199	207	23-24	.480
16	St. Louis Cardinals	.498	27	22	.551	.480	5	189	169	27-22	.556
17	Washington Nationals	.496	24	25	.490	.498	12	191	189	25-24	.505
18	San Diego Padres	.496	22	28	.440	.515	26	156	178	22-28	.434
19	Texas Rangers	.496	24	25	.490	.498	21	204	228	22-27	.445
20	Chicago White Sox	.492	25	26	.490	.493	23	246	256	24-27	.480
21	New York Yankees	.491	25	23	.521	.482	11	204	216	23-25	.471
22	Pittsburgh Pirates	.491	22	26	.458	.501	24	188	208	22-26	.450
23	Philadelphia Phillies	.490	21	25	.457	.501	25	183	213	20-26	.425
24	New York Mets	.487	21	26	.447	.501	18	187	201	22-25	.464
25	Tampa Bay Rays	.485	22	28	.440	.501	22	193	214	22-28	.449
26	Cincinnati Reds	.484	22	25	.468	.489	17	168	176	22-25	.477
27	Boston Red Sox	.484	20	28	.417	.506	15	190	214	21-27	.441
28	Houston Astros	.476	18	32	.360	.514	30	181	240	18-32	.363
29	Arizona Diamondbacks	.469	19	31	.380	.498	28	190	257	18-32	.353
30	Chicago Cubs	.463	18	29	.383	.489	29	183	188	23-24	.487

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.