Nebraska freshman quarterback Dylan Raiola was one of the most prized recruits ever to sign with the school. And he didn’t disappoint in his debut last weekend, completing 70.4% of his passes for 238 yards, while tossing in two touchdowns with no interceptions. The buzz had been steadily growing around Raiola in the spring and fall camp. And he looked like the man Nebraska hoped he would be when they lured him to Lincoln as one of the most coveted signal-callers in the country. On Friday, HuskerOnline’s Sean Callahan joined the On3 Roundtable with Kaiden Smith and discussed how impressed he wa…