Power vs. speed: Michigan, TCU present unfamiliar challenges

FILE - Michigan running back Donovan Edwards (7) rush the ball against Penn State in the first half of an NCAA college football game in Ann Arbor, Mich., Saturday, Oct. 15, 2022. No. 2 Michigan brings its smash-mouth ways into the College Football Playoff semifinal on Saturday, Dec. 31, 2022 to face No. 3 TCU. (AP Photo/Paul Sancya, File)

FILE - TCU running back Kendre Miller (33) runs past Texas defensive end Barryn Sorrell (88) during the second half of an NCAA college football game Saturday, Nov. 12, 2022, in Austin, Texas. TCU was ranked fourth in the Big 12 — but 65th in the country — in yards per carry allowed at 4.10. By far their best defensive game came against Texas and All-American Bijan Robinson, who had 29 yards on 12 carries. TCU plays Michigan in the Fiesta Bowl on Saturday, Dec. 31, 2022. (AP Photo/Stephen Spillman, File)