Ohio State is 4-1 in the Fiesta Bowl all-time with the only loss being in 1981 to Penn State. The wins were over Pitt, Miami, Kansas State, and Notre Dame.
Ohio State is 5-0 in Bowls vs the Big 12. Check that. FIVE AND ZERO, with two wins over Texas A&M, one win over Colorado, one win over Kansas State, and one win over Oklahoma State.
In bowl games not against the SEC, Jim Tressel is 5-0 (overall 5-3), including 2-0 vs the Big 12. He is also 3-0 in all non-championship BCS games (all of them in the Fiesta Bowl).
Texas is 2-3 vs current Big Ten schools in bowl games with wins in the 06 Alamo Bowl over Iowa and 05 Rose Bowl over Michigan, and losses to Iowa in the 84 Freedom bowl and Penn State in both the 97 Fiesta and the 72 Cotton.
In the Fiesta Bowl, Texas is currently 0-1 with one loss to Penn State in 1997.
In Mack Brown's tenure, he is 7-3 in bowls including 2-0 vs the Big Ten in bowl games. In BCS bowls, he is 2-0 with wins over USC in the National Title game and Michigan in the previous Rose Bowl.
Ohio State and Texas have only met twice before, once in 2005 and the other in 2006. Texas won the first matchup with stellar QB Vince Young on their way to the National Championship. Ohio State won the second meeting on their way to the NC game, but lost there. This match will effectively break the tie.