The San Francisco 49ers officially named Nick Mullens their starting quarterback Tuesday for the team’s Week 10 matchup against the New York Giants on Monday Night Football at Levi’s Stadium. The quarterback informed the media during Tuesday’s post-practice availability.Monday will be Mullens’ second consecutive primetime start after making his debut against the Oakland Raiders on Thursday Night Football in Week 9. The 49ers’ backup-turned-starter completed 16 of 22 passes (72%) for 262 yards http://www.the49ersfootballauthentic.com/laken-tomlinson-jersey-authentic , three touchdowns, zero turnovers and a nearly-perfect 151.9 quarterback rating.Mullens was inserted into the starting lineup after C.J. Beathard struggled to grip the football throughout the short week leading up to the Raiders. The former starter injured his throwing hand in the second quarter of the 49ers’ Week 8 loss to the Arizona Cardinals. It was Beathard’s fifth straight loss in five starts this season, now 1-9 in his career as the 49ers’ starter.Mullen’s stellar showing is on the short list for greatest debut performances ever by an NFL quarterback. He played so well that Twitter verified his account during the game.“You never know until you see someone,” Kyle Shanahan said post-game Thursday when asked if he was surprised by Mullens’ debut. “He didn’t surprise us in terms of Youth Adrian Colbert Jersey , the game’s not too big for Nick. He’s very poised. He is always locked in. The guys, they respect him.”Mullens gets another chance to impress Monday under the lights of primetime against a vulnerable Giants defense.Golden Nuggets: Bring on the Chargers Well, whether we want it or not, it’s game day and time to see how C.J. Beathard can do in his second season. If this keeps up Womens Mike McGlinchey Jersey , I’m going to make a new theory that all seasons lead to Beathard, but for now, I’m going to try and be supportive of my other theory that he’s going to surprise some people. This was a game I thought the 49ers could win, and that opinion has taken a complete 180. I don’t know what they can do now with the loss of Jimmy G Womens Fred Warner Jersey , but we’re about to find out. Two wins this season is all we’d need from Beathard to see improvement, but with the defense banged up, I don’t see one today. I do hope I’m wrong. There are reasons to believe 49ers can upset Chargers (Cohn)Five things to watch when 49ers take on Chargers (Biderman)Four 49ers players to watch in Sunday’s game vs. Chargers (Maiocco)Matt Breida weighs long-term health vs. short-term gain with knee injury (Madson)On the 49ers: Why isn’t season a complete loss? Pay attention to these players (Biderman)What a horrible night to have a curse...