2014 MLB Relative Power Index (RPI),as of the games of May 25,2014

MLB RPI Rankings
RK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	EXPW-L	EXPWP
1	San Francisco Giants	.545	32	18	.640	.513	3	213	171	30-20	.608
2	Atlanta Braves	.532	28	21	.571	.518	6	166	152	27-22	.544
3	Detroit Tigers	.524	28	18	.609	.496	2	220	191	26-20	.570
4	Oakland Athletics	.517	30	20	.600	.490	0	248	158	36-14	.711
5	Los Angeles Angels	.515	28	21	.571	.496	4	241	194	30-19	.607
6	Milwaukee Brewers	.514	30	21	.588	.490	7	199	187	27-24	.531
7	Colorado Rockies	.513	27	23	.540	.504	9	260	218	29-21	.587
8	Toronto Blue Jays	.512	29	22	.569	.493	8	246	223	28-23	.549
9	Cleveland Indians	.509	24	27	.471	.522	21	225	244	23-28	.460
10	Miami Marlins	.509	26	25	.510	.509	11	235	215	28-23	.544
11	Los Angeles Dodgers	.508	27	24	.529	.501	10	219	212	26-25	.516
12	Minnesota Twins	.507	23	24	.489	.512	0	206	227	21-26	.452
13	St. Louis Cardinals	.501	28	22	.560	.481	0	193	169	28-22	.566
14	Baltimore Orioles	.500	25	23	.521	.493	0	203	209	23-25	.485
15	Washington Nationals	.499	25	25	.500	.499	0	196	191	26-24	.513
16	Texas Rangers	.498	25	25	.500	.497	19	216	232	23-27	.464
17	Kansas City Royals	.497	24	25	.490	.500	15	192	192	25-25	.500
18	Seattle Mariners	.496	24	25	.490	.498	16	201	192	26-23	.523
19	San Diego Padres	.496	23	28	.451	.511	27	160	181	22-29	.439
20	New York Yankees	.495	26	23	.531	.483	12	211	217	24-25	.486
21	Pittsburgh Pirates	.491	22	27	.449	.505	22	190	213	22-27	.443
22	Philadelphia Phillies	.489	21	26	.447	.502	25	183	219	19-28	.411
23	Tampa Bay Rays	.488	23	28	.451	.500	23	201	219	23-28	.457
24	Chicago White Sox	.487	25	27	.481	.490	20	247	263	24-28	.469
25	New York Mets	.487	22	27	.449	.500	24	192	205	23-26	.467
26	Boston Red Sox	.482	20	29	.408	.507	26	195	222	21-28	.436
27	Cincinnati Reds	.482	22	26	.458	.490	0	168	180	22-26	.466
28	Houston Astros	.479	19	32	.373	.514	30	185	241	19-32	.371
29	Arizona Diamondbacks	.470	20	32	.385	.498	29	194	262	18-34	.354
30	Chicago Cubs	.461	18	30	.375	.490	28	186	192	23-25	.484

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.