From the world of international football, how about:
The Anal Young Boys?
The Anal Hearts of Oak?
The Anal Red Sox
ewww…
Or, from my new locale,
(baseball)
The Anal Swallows
The Anal Marines
The Anal Ham Fighters
The Anal Carp
The Anal Dragons
(ice hockey)
The Anal Cranes
The Anal Bunnies
(soccer)
The Anal Purple Sanga (ouch!)
The Anal Red Diamonds (ouch again)
The Anal Antlers
Well, there’s the XFL…
Anal Maniax
Anal Outlaws
Anal Extreme
Anal Rage
Anal Hitmen
Anal Enforcers
Hmm. I’m forgetting a couple. But these make me laugh.
Ah, yes. I found the info.
Anal Demons
Anal Thunderbolts.
Hee hee!
They’re fighting the Irish, apparently. Maybe their nickname should be The Snakes! 
Hahaha…
This thread delivers.
According to the rules, my high school team would result in the Anal Rockets. Ouch!
You think that’s bad? My high school team would be the Anal Crusaders.
.
.
.
Wasn’t that Richard Cour de Leon?
(d&r)
Anal Knights.
Anal Athletics.
Anal Banana Slugs.
Anal Ducks.
Anal Devils.
Anal Boilermakers.
Anal Mariners.
and:
green_bladder wrote:
McKellen?
Tennessee teams:
Anal Titans
Anal Predators
Anal Volunteers
Anal Commodores
Excuse me while I picture José Théodore in assless chaps.
Which reminds me: The Anal Canadiens.
HS teams from my around my hometown (possibly repeating some previous posts):
Anal Vikings
Anal Maroons (!)
Anal Storm (!)
Anal Bunnies (!)
Anal Sages
Anal Purple Riders (!)
Anal Purple Raiders
Anal Bombers (!)
Anal Blue Devils
Anal Chargers (!)
Anal Panthers
Anal Generals (!)
Anal Flaming Hearts (!)
Anal Green Wave (!!)
Anal Buffaloes (!)
Anal Golden Aces (!)
Anal Pioneers (!)
and
the granddaddy of them all…
The Anal Cornjerkers.
(mostly taken from memory, but corroborated here)
My high school team would be the Anal Lancers!
Anal Jazz
From the Southeastern Conference:
Anal Tigers
Anal Bulldogs
Anal Wildcats
Anal Razorbacks
Anal Rebels
Anal Commodores
Anal Gamecocks
Anal Gators
Anal Volunteers
and last but not least…
Anal Crimson Tide
Anal Globetrotters.
Anal Bandits (Slamball)
Anal Beef (Omaha, NIFL)
Anal Bouncers (Slamball)
Anal Rampage (Grand Rapids, AFL)
Anal Rattlers (Arizona, AFL)
Anal Roughriders (Saskatchewan, CFL)
Anal Rumble (Slamball)
Anal Slashers (Slamball)
From the Rhode Island School of Design, the Anal Nads. But that probably doesn’t count because the name is a joke in the first place.
I find myself mildly intrigued by the concept of “anal slamball.” Does Michigan have a team yet?