MLB Relative Power Index - 2008

Season: 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008

MLB RPI Rankings
RNK	TEAM	RPI	W	L	PCT	SOS	PWR	RS	RA	ExpW-L	ExpWP
1	Boston Red Sox	.537	23	14	.622	.509	9	187	157	22-15	.587
2	Oakland Athletics	.530	22	14	.611	.502	2	171	129	23-13	.637
3	New York Mets	.528	17	15	.531	.528	13	152	143	17-15	.530
4	Arizona Diamondbacks	.528	23	12	.657	.485	1	201	148	23-12	.648
5	Florida Marlins	.522	20	14	.588	.500	16	158	160	17-17	.494
6	Los Angeles Angels	.522	22	14	.611	.492	5	173	166	19-17	.521
7	Tampa Bay Rays	.515	18	16	.529	.510	6	159	150	18-16	.529
8	St. Louis Cardinals	.507	22	14	.611	.472	4	166	142	21-15	.577
9	Philadelphia Phillies	.506	20	16	.556	.490	7	173	159	20-16	.542
10	Chicago Cubs	.506	19	15	.559	.489	3	195	151	21-13	.625
11	Los Angeles Dodgers	.505	19	15	.559	.486	10	178	147	20-14	.595
12	Milwaukee Brewers	.501	16	18	.471	.512	11	146	168	15-19	.430
13	Houston Astros	.501	18	17	.514	.497	18	165	160	18-17	.515
14	Minnesota Twins	.501	17	16	.515	.496	21	140	144	16-17	.486
15	Washington Nationals	.501	15	20	.429	.525	26	141	170	14-21	.408
16	Cleveland Indians	.499	16	18	.471	.508	12	143	137	18-16	.521
17	Toronto Blue Jays	.498	17	19	.472	.507	22	144	132	20-16	.543
18	Atlanta Braves	.498	18	15	.545	.482	15	169	124	21-12	.650
19	New York Yankees	.497	18	18	.500	.495	20	157	156	18-18	.503
20	Baltimore Orioles	.492	17	18	.486	.495	17	140	151	16-19	.462
21	Chicago White Sox	.491	16	17	.485	.493	8	150	133	18-15	.560
22	Colorado Rockies	.488	14	21	.400	.517	28	157	187	14-21	.413
23	Pittsburgh Pirates	.487	15	19	.441	.502	27	171	192	15-19	.442
24	Cincinnati Reds	.483	14	21	.400	.511	24	146	170	15-20	.424
25	Texas Rangers	.482	16	20	.444	.495	29	163	195	15-21	.411
26	Kansas City Royals	.482	15	19	.441	.496	25	120	150	13-21	.390
27	Detroit Tigers	.479	15	21	.417	.500	14	172	199	15-21	.428
28	San Francisco Giants	.475	14	21	.400	.500	23	117	165	12-23	.335
29	Seattle Mariners	.470	14	22	.389	.497	19	141	161	16-20	.434
30	San Diego Padres	.467	12	23	.343	.508	30	117	166	12-23	.332

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.

Inside MLB

Sometimes trades work for both parties. Sometimes they don't. Jayson Stark reviews some offseason swaps.

Juan Pierre has changed his approach at the plate this season, and it's resulted in him getting in better ball-strike counts. Buster Olney

Tim Lincecum is stoic on the mound. The 23-year-old flamethrower learned at a young age to keep his emotions in check. Buster Olney

Is it too risky to rely on young pitchers over the long haul of the season? Steve Phillips and Matthew Berry discuss the matter.

While most people appreciate Josh Hamilton's feel-good story, others just continue to spew venom in his direction. Jeff Pearlman

The Brewers are keeping Eric Gagne as their closer? This appears to be the 2008 version of "What went wrong with the Brewers."