At RealGM, we use the Field Impact Counter (FIC) to objectively measure how effective teams are performing. We combine the position players and pitchers' FIC scores to measure which teams have played the best so far in 2008. Click here for more information about the Field Impact Counter and the Reina Value. *Through Sunday's games Team: FIC Total (FIC Position Players/FIC Pitchers) 1. Arizona Diamondbacks: 22.11 (10.54/11.56) As a cherry on top of Arizona?s red hot April, Randy Johnson has a 2.70 ERA and 10.8 K/9 ratio in his three starts. 2. Chicago Cubs: 21.65 (10.85/10.80) After a difficult start on Opening Day where he gave up three runs, Kerry Wood has settled in and lowered his ERA to 3.46 and has 6.00 K/BB ratio. 3. St. Louis Cardinals: 19.48 (8.66/10.81) The Cardinals have been winning and scoring runs despite anemic Aprils from Rick Ankiel and Troy Glaus. 4. Los Angeles Angels: 18.90 (8.95/9.75) The Angels lead the AL in slugging with a .441 percentage. 5. Chicago White Sox: 18.70 (8.95/9.75) Gavin Floyd, John Danks, and Javier Vazquez have each been on the starting ends of White Sox shutouts. 6. Atlanta Braves: 18.32 (8.87/9.45) Can the Braves stay healthy enough to compete? Chipper Jones, Tom Glavine, and John Smoltz are all battling injuries. 7. Boston Red Sox: 18.10 (8.42/9.68) The Red Sox are first in the AL in batting (.288), OBP (.361), and second in slugging (.432). 8. New York Mets: 17.36 (7.24/10.12) The Mets currently have a .380 slugging percentage, down from the .448 they posted last April. 9. Philadelphia Phillies: 17.01 (7.54/9.47) With Jimmy Rollins on the shelf and Ryan Howard under-producing, Chase Utley, Pat Burrell, and Jayson Werth have carried the offense. 10. Detroit Tigers: 16.71 (9.05/7.67) Predictably the Tigers? offense is largely back on track, but Justin Verlander?s 6.50 ERA and 5.00 K/9 ratio is alarming. 11. Cincinnati Reds: 16.30 (7.26/9.04) The Reds have given up an ungodly 32 homers but also have the best K/9 ratio in the game with 7.97. 12. Toronto Blue Jays: 16.27 (6.94/9.33) The Jays are batting just .226 over the past seven games. 13. Tampa Bay Rays: 16.18 (5.90/10.28) James Shields and Andy Sonnanstine have both thrown complete game shutouts. 14. Oakland Athletics: 16.15 (5.34/10.81) A?s pitchers are allowing an AL-best .653 OPS. 15. Milwaukee Brewers: 16.06 (5.62/10.44) Ryan Braun has a .692 OPS, a .312 drop from his ROY season. 16. Los Angeles Dodgers: 15.92 (7.04/8.87) Chad Billingsley has a 13.94 K/9 ratio, but a 6.53 ERA. 17. Baltimore Orioles: 15.91 (6.50/9.41) Brian Burres has been pitching to contact with a 2.49 ERA and has been Baltimore?s best starter. 18. New York Yankees: 15.79 (6.69/9.10) Mike Mussina is giving up a 1.154 OPS against righties and just .372 against lefties this season. 19. Seattle Mariners: 15.70 (7.02/8.68) Erik Bedard pitched 6.2 innings of scoreless baseball on Saturday in his first game back from the DL. 20. Cleveland Indians: 15.44 (6.60/8.85) The Indians, who are batting .247 as a team, have a .284 BAbip (.310 last year). 21. Houston Astros: 14.86 (6.50/8.36) Astros? pitchers have yielded an MLB-worst 33 homers. 22. Florida Marlins: 14.27 (5.21/9.06) The Marlins have hit 35 homers, second in the MLB. 23. Colorado Rockies: 13.51 (5.19/8.31) Troy Tulowitzki continues to slump and is hitting .157 for the season. 24. Texas Rangers: 13.08 (6.43/6.65) The Rangers have an MLB-worst K/BB ratio of 1.01. 25. Pittsburgh Pirates: 12.10 (4.26/7.84) Nate McLouth is hitting just .192 over his past seven games, but three of his five hits have been homers. 26. Minnesota Twins: 11.07 (2.49/8.58) Carlos Gomez and Delmon Young should one day make up a very nice outfield, but they are combining to post a collective OPS of 1.229. 27. Kansas City Royals: 10.74 (1.92/8.82) The Royals are dead last in the AL OPS and runs scored. 28. San Francisco Giants: 10.71 (1.59/9.12) Five of the Giants? 11 wins have come when Tim Lincecum takes the mound. 29. Washington Nationals: 10.54 (2.61/7.93) John Lannon has yielded a run in 19 consecutive innings of work. 30. San Diego Padres: 9.62 (0.63/8.99) A team with four starters with sub-4.00 ERAs typically have won more than nine games between them, but their lineup has a MLB-worst .620 OPS, and they have blown seven saves.