Eli Manning's confidence is growing along with his new beard

Giants quarterback Eli Manning attempts a pass against the 49ers during a game at Levi's Stadium on Monday in Santa Clara, California. Photo Credit: Getty Images/Ezra ShawThe stubble on Eli Manning’s face qualifies as much more than just a few days’ growth, so might there be a little something extra going on with the quarterback’s decision to shun a razor during the Giants’ bye week?

Manning smiled when I asked him about whether not shaving was a way to change the vibe after a 1-7 start.

“Just happened,” he said of the facial hair. “But you get a win, you kind of keep everything, right?”

So, if the Giants beat the Bucs on Sunday as a follow-up to a 27-23 win over the 49ers, in which Manning…