By Daniel Bates One of the first questions college football fans had after top prospect Arch Manning committed to Texas: what does this mean for former No. 1-ranked QB Quinn Ewers? Ewers recently transferred back home after one year buried on the depth chart at Ohio State. And he appears to have a decent grip on the Longhorns starting job going into this season. But what happens when Manning lands in Austin? The college football world speculated about that on Monday. “Quinn Ewers [handshake emoji] Arch Manning,” one coach captioned a photo of UT legends Vince Young and Colt McCoy. “A lot of na…