J.J. McCarthy was solid in his brief return for the Vikings, going 4 of 7 for 30 yards while leading a scoring drive in his only series and Minnesota topped the Houston Texans 20-10 on Saturday in the teams' preseason opener.

See Vikings quarterback J.J. McCarthy's stats in his preseason return to action one year after his knee injury.

Knowing the defense’s potential and believing in an improved special teams unit, what can this talented Vikings roster accomplish if McCarthy refrains from the disastrous negatives? It’s a good question.