will mi s the ' tilt with the on Sunday. will get the start, coach Ken Whisenhunt announced Friday. Mariota mi sed the entire week of practice while dealing with a sprained MCL suffered in Week 6. "He's frustrated because he wants to play," Whinsenhunt said of Mariota, . The are right to be cautious with their franchise signal-caller, which makes the decision to keep him in last week Marco Belinelli Jersey 's blowout lo s to the even more puzzling. that defensive lineman was fine $37,363 for two roughing the pa ser penalties, including $17,363 for the hit on Mariota and $20,000 for a head shot., but as NFL Media's Rand Getlin noted, per a source close to Mariota, the know they have to protect the rookie from himself, given how competitive he is. Mariota started the season hot, with a 158.3 pa ser rating in Week 1, but has struggled in recent weeks as defenses have adjusted to the rookie's tendencies. He posted just a 67.6 pa ser rating and was clearly hobbled after the early hit last week. Mettenberger David Robinson Jersey is a capable backup. The second-year signal caller boasts a big arm, but struggled at times last season with slow reads and questionable throws into traffic. "I'm excited about the opportunity," Mettenberger told reporters Friday after he was announced the starter. Mettenberger posted a 59.8 completion percentage with 201.7 pa sing yards per game, eight touchdowns, seven interception and a 83.4 pa ser rating as a rookie. The lost all six games he started last season. Facing a stellar secondary with stud corner , expect the to target tight ends and prolifically after the allowed a career night to tight end Ben Watson last week. wide receiver and cornerback are also out.