Opsera is a metric I created to rank teams in terms of averaging their hitting and pitching. Opsera is extremely simple; I take each team's total OPS, move the decimal point one place to the right and then subtract their respective ERAs from that number. The best teams will finish the season with a mark over 4.00 and the worst teams are usually under 2.50. The single game Opsera is the first number listed with the run total listed in parenthesis. Team of the Day: Pittsburgh Pirates Game Opsera Scores Washington Nationals: -1.07 (4) Florida Marlins: 5.95 (6) - The Marlins were my sleeper pick for the NL Wildcard and though it's just the Nationals, they have looked impressive over the first three games. Atlanta Braves: -3.09 (11) Philadelphia Phillies: -0.73 (12) - Javier Vazquez wasn't quite as good as Lowe and Jurrjens, but he did only give up three runs in six innings before the Atlanta bullpen yielded another nine. Colorado Rockies: 7.40 (9) Arizona Diamondbacks: -2.30 (2) - Franklin Morales gave the Rockies another good start after Ubaldo Jimenez was dominant on Wednesday. New York Yankees: -0.56 (5) Baltimore Orioles: 4.39 (7) - Baltimore's third-place hitter is batting .714 through the first two games, compared to just .111 for the Yankees' guy in the third slot. Detroit Tigers: 7.21 (5) Toronto Blue Jays: -0.15 (1) - The Detroit bullpen went 3+ innings without giving up a run, hit or walk. Tampa Bay Rays: 7.79 (7) Boston Red Sox: -0.90 (2) - Carlos Pena and Evan Longoria each hit their first homers of the year to back up a solid start from Scott Kazmir. New York Mets: 1.40 (9) Cincinnati Reds: 0.29 (7) - It was a little ugly for both Francisco Rodriguez and J.J. Putz, but the Mets still managed to escape with a tight win. Cleveland Indians: -2.90 (5) Texas Rangers: 6.80 (8) - Nelson Cruz hit two homers, while Elvis Andrus went deep for his first major league homer. Chicago Cubs: 4.65 (11) Houston Astros: 0.50 (6) - Kosuke Fukudome homered and doubled in the two-hole as the Cubs survived five Houston homers. Seattle Mariners: 1.37 (5) Minnesota Twins: 4.17 (6) - Justin Morneau and Denard Span each went deep against former Twin Carlos Silva. Kansas City Royals: 4.79 (2) Chicago White Sox: 1.26 (0) - Zack Greinke struck out seven over six scoreless innings before handing it over to Juan Cruz for two perfect innings. Joakim Soria also was perfect in the ninth. Pittsburgh Pirates: 7.94 (7) St. Louis Cardinals: -0.67 (4) - Nate McLouth has struggled early, but he went deep in the sixth inning. Oakland Athletics: 4.70 (6) Los Angeles Angels: 0.10 (4) - The A's had 15 singles, but the story of this game is the six scoreless innings thrown by Nick Adenhart just hours before his terribly tragic death. Los Angeles Dodgers: 6.70 (5) San Diego Padres: -1.45 (2) - Manny Ramirez drove in three of the Dodgers' five runs to back up a very good outing from Chad Billingsley. Milwaukee Brewers: 4.55 (4) San Francisco Giants: 0.62 (2) - Randy Johnson struck out seven in five innings, but also gave up two homers and four earned runs total in his first start with the Giants. * Opsera will be the metric we use to rank all 30 teams throughout the 2009 season and we also will present this on a daily basis in order to quickly determine how well or poorly teams played in single games. Run-saving defensive plays and timely hitting aren't taken into account in any meaningful way with the Opsera, nor is timely/situational hitting but it gives a pure reading of how well teams hit and pitched.