Here's a randomly filled in NCAA Men's Basketball Tournament bracket. If you don't like this one, press reload for another. It's currently set to use the initial pairings for the 2019 tournament. Each game is chosen randomly as follows: if the two teams involved are seeded 'x' and 'y', then Pupset = min(x,y) / (x+y). (See note.) (Pick Kansas, please.)
FINAL FOUR ================= +-( 4)-UCLA------+ +-( 2)-Duke------+ +-( 2)-Duke------+ | +-( 1)-Arizona---+ +-( 1)-Arizona---+ | +-( 1)-Arizona---+ +-( 6)-LSU-------+ South Regional ================= +-( 1)-Arizona---+ +-( 1)-Arizona---+ +-(16)-WRST/BRY--+ | +-( 1)-Arizona---+ +-( 8)-Seton Hall+ | | +-( 9)-TCU-------+ | +-( 9)-TCU-------+ | +-( 1)-Arizona---+ +-( 5)-Houston---+ | | +-( 5)-Houston---+ | | +-(12)-UAB-------+ | | | +-(13)-Chatt'ga--+ | +-( 4)-Illinois--+ | | +-(13)-Chatt'ga--+ | +-(13)-Chatt'ga--+ | +-( 1)-Arizona---+ +-( 6)-Colo St---+ | +-( 6)-Colo St---+ | +-(11)-Michigan--+ | | +-( 3)-Tennessee-+ | +-( 3)-Tennessee-+ | | | +-( 3)-Tennessee-+ | | +-(14)-Longwood--+ | | +-( 2)-Villanova-+ +-( 7)-Ohio St---+ | +-( 7)-Ohio St---+ | +-(10)-Loyola Ch-+ | | +-( 2)-Villanova-+ +-( 2)-Villanova-+ | +-( 2)-Villanova-+ +-(15)-Delaware--+ West Regional ================= +-( 1)-Gonzaga---+ +-(16)-Geo St----+ +-(16)-Geo St----+ | +-(16)-Geo St----+ +-( 8)-Boise St--+ | | +-( 8)-Boise St--+ | +-( 9)-Memphis---+ | +-( 4)-Arkansas--+ +-( 5)-UConn-----+ | | +-(12)-N Mex St--+ | | +-(12)-N Mex St--+ | | | +-( 4)-Arkansas--+ | +-( 4)-Arkansas--+ | | +-( 4)-Arkansas--+ | +-(13)-Vermont---+ | +-( 2)-Duke------+ +-( 6)-Alabama---+ | +-(11)-RUTG/ND---+ | +-(11)-RUTG/ND---+ | | +-(14)-Mont St---+ | +-( 3)-Tex Tech--+ | | | +-(14)-Mont St---+ | | +-(14)-Mont St---+ | | +-( 2)-Duke------+ +-( 7)-Mich St---+ | +-( 7)-Mich St---+ | +-(10)-Davidson--+ | | +-( 2)-Duke------+ +-( 2)-Duke------+ | +-( 2)-Duke------+ +-(15)-CS Full---+ East Regional ================= +-( 1)-Baylor----+ +-( 1)-Baylor----+ +-(16)-Norfolk St+ | +-( 1)-Baylor----+ +-( 8)-N Caro----+ | | +-( 8)-N Caro----+ | +-( 9)-Marquette-+ | +-( 4)-UCLA------+ +-( 5)-St Marys--+ | | +-(12)-WYO/IND---+ | | +-(12)-WYO/IND---+ | | | +-( 4)-UCLA------+ | +-( 4)-UCLA------+ | | +-( 4)-UCLA------+ | +-(13)-Akron-----+ | +-( 4)-UCLA------+ +-( 6)-Texas-----+ | +-( 6)-Texas-----+ | +-(11)-Va Tech---+ | | +-( 6)-Texas-----+ | +-( 3)-Purdue----+ | | | +-( 3)-Purdue----+ | | +-(14)-Yale------+ | | +-( 6)-Texas-----+ +-( 7)-Murray St-+ | +-( 7)-Murray St-+ | +-(10)-San Fran--+ | | +-( 7)-Murray St-+ +-( 2)-Kentucky--+ | +-(15)-St Peters-+ +-(15)-St Peters-+ Midwest Regional ================= +-( 1)-Kansas----+ +-(16)-TXSO/TAMO-+ +-(16)-TXSO/TAMO-+ | +-(16)-TXSO/TAMO-+ +-( 8)-SDSU------+ | | +-( 8)-SDSU------+ | +-( 9)-Creighton-+ | +-( 4)-Providence+ +-( 5)-Iowa------+ | | +-(12)-Richmond--+ | | +-(12)-Richmond--+ | | | +-( 4)-Providence+ | +-( 4)-Providence+ | | +-( 4)-Providence+ | +-(13)-S Dak St--+ | +-( 6)-LSU-------+ +-( 6)-LSU-------+ | +-( 6)-LSU-------+ | +-(11)-Iowa St---+ | | +-( 6)-LSU-------+ | +-( 3)-Wisconsin-+ | | | +-( 3)-Wisconsin-+ | | +-(14)-Colgate---+ | | +-( 6)-LSU-------+ +-( 7)-USC-------+ | +-(10)-Miami FL--+ | +-(10)-Miami FL--+ | | +-( 2)-Auburn----+ +-( 2)-Auburn----+ | +-( 2)-Auburn----+ +-(15)-Jax St----+