Organizational Winning Percentages

I know we're less than two weeks into the minor-league season, but dadgum if the Astros/A's game doesn't come on for another hour and a half, so let's see organizational winning percentages - something we'll update throughout the season - coming into games played on April 16, 2013.

Astros: .667 (28-14)
Twins: .605 (26-17)
Giants: .596 (28-19)
Angels: .587 (27-19)
Mets: .578 (26-19)
Orioles: .565 (26-20)
Red Sox: .558 (24-19)
Rays: .556 (25-20)
Blue Jays: .537 (22-19)
A's: .533 (24-21)
Rangers: .533 (24-21)
Yankees: .524 (22-20)
Nationals: .523 (23-21)
Marlins: .523 (23-21)
Dodgers: .523 (23-21)
Diamondbacks: .512 (22-21)
White Sox: .511 (23-22)
Rockies: .500 (23-23)
Brewers: .488 (20-21)
Braves: .477 (21-23)
Cardinals: .476 (20-22)
Mariners: .457 (21-25)
Phillies: .432 (19-25)
Royals: .422 (19-26)
Padres: .419 (18-25)
Indians: .405 (17-25)
Cubs: .395 (17-26)
Pirates: .391 (18-28)
Tigers: .372 (16-27)
Reds: .333 (15-30)