FORT WORTH (AP) – The biggest game of all between BCS-busting rivals TCU and Utah will be their last one as conference foes.

Third-ranked TCU goes to fifth-ranked Utah on Saturday for the Mountain West Conference’s first-ever matchup of Top 10 teams.

The winner takes a big step toward the Mountain West title and remains in contention for another Bowl Championship Series game — maybe even the national title game.

It will end a short but intense conference rivalry that began in 2005.

Utah, the original BCS buster, is moving next season to the new Pac-12.

Since a 13-10 loss at Utah two years ago, TCU has won 22 consecutive regular-season games. The Frogs won 55-28 last year.

(Copyright 2010 by The Associated Press.  All Rights Reserved.)

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