Sludge Output

club-heavy MLU teams who are transitioning to club, remember that there are differences between the Ultimate game sanctioned by USA Ultimate and Major League Ultimate. Besides the disc used, here are some more:
[From "Think you know the rules?" in San Francisco Dogfish's 2013 game day program]

Items	USA Ultimate	MLU
Field Width	40 yards	53.33 yards
Field Length	70 yards + 25 (sic) yard 20 yard end zones	80 yards + 20 yard end zones
Stall Count	10 sec. counted aloud by defender	7 sec. counted silently by official
Game Length	To a point or time-cap	Four 10-min. quarters
Disc Movements	No self-advance discs	Players may tip disc to themsleves
Players Subs.	On inury or between points	Also allowed on a time-out
Fouls	Disc returns to point of infraction abd stall count is adjusted	Yardage penalties or loss of possession
Calls	Made by players	Made by officials