The Opsera is a statistic RealGM's Chris Reina created in order to objectively rank teams by how well they hit (OPS) and pitch (ERA). In order to determine a team's Opsera, we take their OPS, multiply that number by 10 to move the decimal point over one place to the right and then subtract the team's ERA from that number. Below are the final rankings through Wednesday, June 22nds games: Last weeks ranking is in parenthesizes 1. (1) New York Yankees 4.31 The Yankees have lost eight of nine to the Red Sox this season, but they were briefly in first place (by percentage points) on Wednesday afternoon following Bostons loss and prior to their loss in Cincinnati. T2. (2) Philadelphia Phillies 4.03 The Phillies are still in the middle of the pack in most offensive categories, but they have the third-best run differential in baseball. Thank you, pitching. -- (3) Boston Red Sox 4.03 Boston is 8-1 against New York, but just 36-29 against the rest of baseball. Can they schedule the Yankees more often in 2012? 4. (4) Atlanta Braves 3.90 5. (8) Texas Rangers 3.59 The Rangers have lost six of their last 10 games. Its a good thing that the Mariners, Angels and Athletics havent been consistent this season. T6. (6) St. Louis Cardinals 3.51 -- (7) Arizona Diamondbacks 3.51 How much of a shock would it be if the Diamondbacks edged the Giants and Rockies in the National League West? 8. (5) Milwaukee Brewers 3.50 The Brewers need Shaun Marcums hip to be a non-issue and its just not cooperating. 9. (9) Los Angeles Angels 3.46 10. (13) Tampa Bay Rays 3.37 11. (T10) Colorado Rockies 3.36 T12. (T10) San Francisco Giants 3.30 -- (12) Detroit Tigers 3.30 14. (19) Oakland Athletics 3.29 T15. (T15) Washington Nationals 3.25 -- (22) Cleveland Indians 3.25 17. (14) Cincinnati Reds 3.24 Chris Heisley hit three home runs against the Yankees on Wednesday night. He entered the game with 11 homers in his previous 161 major league games. 18. (18) Chicago White Sox 3.19 19. (T15) Toronto Blue Jays 3.13 20. (20) New York Mets 3.11 Am I the only one that doesnt buy the belief that the Mets can contend for the Wild Card? They entered Thursdays action six games back of the Braves with a number of better teams in-between. 21. (24) Seattle Mariners 3.10 22. (T15) Pittsburgh Pirates 3.07 23. (21) San Diego Padres 3.03 24. (23) Florida Marlins 2.99 Its almost July and Hanley Ramirez is still playing like a below-average shortstop. Its just about to the point that its no longer just a slump. 25. (25) Baltimore Orioles 2.88 26. (26) Los Angeles Dodgers 2.84 What could Mark Cuban do for this franchise? At the very least hed be able to pay the bills without help. 27. (27) Kansas City Royals 2.62 28. (29) Houston Astros 2.45 29. (30) Minnesota Twins 2.44 A recent tear has the Twins out of the last spot in our rankings for the first time this season. Next week? Jumping ahead of the Astros is a very real possibility. 30. (28) Chicago Cubs 2.38