ALLEN — Defending Class 2A state champion Cameron Yoe had just three first downs in the first half Friday and found itself needing to dig out of a two-touchdown hole.Aided by its defense in the second half, the Yoeman rallied with 17 points for a 24-21 win over White Oak in a Class 2A Division I state semifinal at Eagle Stadium.Cameron Yoe (14-1), which defeated Dangerfield in the state title game last season, will play the winner of Wall and New Boston at 5 p.m. Thursday at AT&T Stadium in the state final.“I thought we just played too conservatively in the first half, we just didn’t play our game,” Cameron Yoe defensive back Michael Gelner said. “Coaches told us to keep fighting and stay aggressive and we did that.”The Yoemen effort included an interception and a key pass break-up by Gelner, while holding White Oak’s offense to just six first downs in the second half. The Roughnecks (13-2) had 17 in the first half.White Oak, the runner-up in District 9-2A, had 304 total yards in the first half.The Yoemen had 19 total yards, three first downs and trailed 21-7 in the first half.Kicker Micheal Evan knocked through the game-winning 36-yard field goal with 6:44 to play. White Oak’s Dylan Gale threw for 157 yards and three TDs. Riley Larkin had 27 carries for 158 yards.