If you would've told those people that the undrafted rookie quarterback was going to throw for 197 yards and three touchdowns en route to a 28-23 win over the Houston Texans on the road, you probably were insane.
Or a genius.
McGloin, the quarterback who rallied his embattled Penn State Nittany Lions during a time of absolute chaos last season, was the hero on Sunday for the struggling Raiders.
McGloin sure didn't look like a rookie quarterback after finishing with a 105.9 passer rating and the most important statistic of all: zero turnovers.
That's right. Zero.
McGloin was in control of the offense that was sputtering out over the last month, and getting their first road win at a crucial point of the season was exactly what the Raiders needed. After countless missed opportunities in previous weeks, they capitalized on this one.
But before everybody starts hailing McGloin as Oakland's new starter, there must be several factors to consider.
First of all, the Texans had nothing to look at when planning for McGloin. Nobody in their right minds would've thought he'd be playing during any part of the season, and the Raiders didn't even know he was going to play until two days before kickoff.
McGloin's numbers were solid, but they must be taken with a grain of salt.
After all, the Kansas City Chiefs had nothing to go off of when they faced undrafted rookie Case Keenum a month ago, and he made their stellar defense look pedestrian by throwing for 271 yards and a touchdown while completing 60 percent of his passes.
Though Keenum is playing better than your average undrafted rookie, his numbers have slipped the last couple of weeks as he's failed to generate a passer rating over 88.
Then there's Terrelle Pryor. Remember how he started the season?
Pryor stormed out of the gates and took the NFL by surprise after the first month, but hasn't completed more than 54 percent of his passes in a game since Oct. 6.
Teams got film on him, figured out his tendencies, and his inexperience has been very noticeable as he's thrown eight interceptions over his last four games.
McGloin had a solid game against Houston, there's no denying that.
But I caution everyone to hold off on looking to him as the savior of this team that is still just one game out of a playoff spot.
For now, the carousel of quarterbacks continues as there is likely to be another controversy when the Raiders host the Tennessee Titans on Sunday.
Let the madness begin.
Steven Slivka covers the Oakland Raiders for the Yahoo Contributor Network. Follow @StevenSlivka on Twitter.
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