CLEVELAND — The Miami Dolphins will go into the final week of the regular season still in playoff contention. Quarterback Tyler “Snoop” Huntley filled in admirably for the injured Tua Tagovailoa, the defense suffocated a struggling Cleveland Browns offense, and the Dolphins pulled out a penalty-filled, grind-it-out 20-3 win Sunday evening at Huntington Bank Field. Miami (8-8) needs to win its finale against the New York Jets (4-12) and have the Denver Broncos lose next week to the Kansas City Chiefs. “For the first time in my life, I’m about to be a big Chiefs fan for at least a week, a huge Chiefs fan,” said defensive tackle Calais Campbell, the 38-year-old who had conversations with the Dolphins front office recently about getting waived to go to a playoff team but will now have a shot at the postseason with Miami. “It might not happen.