Raiders' new quarterback Geno Smith has been a good quarterback for the last few seasons. Now he will try to prove that he can be the man in Las Vegas. But is he a top quarterback in the NFL?

At least one NFL executive believes the Las Vegas Raiders gained "instant credibility" under center by trading for former Seattle Seahawks quarterback Geno Smith earlier this offseason.

Eventually, Las Vegas landed Geno Smith in a trade with the Seattle Seahawks. While Smith isn't young enough to be considered a long-term franchise quarterback and isn't as much of a star as Stafford,