Flag Football

   Lewis & Clark

     Co-ed Wednesdays - December 2nd



   Friendly House

     Thursdays - December 3rd



   Interstate Lanes

     Wednesdays - January 6th



   Portland State

     Sundays - January 10th

Winter is Coming!


Winter Registrations have arrived! Be sure to sign up early to secure a spot in your desired league.

Check out upcoming Leagues HERE!

We have the following new leagues:

Blazers Boys & Girls Club Volleyball on Wednesdays

Cornhole at BrewCycle on Tuesdays

Halloween Bash 2015!




What a fun Night it was at the Wonder Ballroom!


There were prizes, an incredible costume contest, drink specials sponsored by Tito's and Rainier, and as always, an epic dance party.


Pictures are posted on Facebook. Check 'em out and don't forget to Like and Follow Underdog Sports Leagues on Facebook, Instagram, and Twitter!



Rain Bowl 2015



Let it rain, let it pour! Underdog's 8th Annual Flag Football Tournament is coming up January 30th and 31st.


Grab your squad and spend the weekend playing on the gridiron battling your way to victory!


Register a Team or as an Individual and we'll build a team for you.

Sign Up HERE! Co-ed Softcore and Midcore divisions are open!

Are You A New Individual?

Are You A New Individual?

No need for a team, we'll create one for you.

Underdog is a great way to meet new people if you've just moved to town or are looking for something new to do. When you register as an Indivdual or "Indy" your name is put on a list and when enough people register we make an "Individual Team" and introduce you to a whole group of new people.


Have another friend or two who want to play with you as well?  No problem.  In your signup there will be a spot to enter their name(s) so that we can place you all on the same Individual Team. Also, be on the lookout for our Indy Parties - another great way to meet and socialize with people!


Frequently Asked Questions

Upcoming Leagues