ANN ARBOR, Mich. — The Texas Longhorns kept the Michigan Wolverines footballdefense on its feet — instead of on the bench — and its heels. The Wolverines’ offense didn’t do its part, and U-M struggled to get off the field on third down. That led to Texas running a whopping 45 plays in the first half (compared to Michigan’s 21) and 68 for the game in a 31-12 win at The Big House. Texas nearly doubled up Michigan in time of possession before the half: 19:06 to 10:54. “Just being on the field … we’re excited to be on that field,” senior EDGE Josaiah Stewart said, noting that lack of energy wasn’t…