In theory, the San Francisco 49ers should be called the Arizona 49ers, as the team is not able to host their next two home games at Levi's Stadium due to Santa Clara County COVID-19 regulations. But the league was able to quickly find them a temporary home and coincidentally, it was their division rivals Arizona Cardinals who would be giving them their stadium for the next two weeks.Nonetheless, the Washington Football Team will yet again travel to Arizona, as they had taken on the Arizona Cardinals in Week 2 of this season. Washington looks to continue its winning streak and keep their playoff hopes alive against the 49ers.They will also meet some familiar faces, as 49ers tight end Jordan Reed and tackle Trent Williams will be going against their old team for the first time since being released this past year.Washington quarterback Alex Smith will also be facing the 49ers franchise that made him the No. 1 overall pick in the 2005 NFL Draft.Washington at San Francisco 49ers Betting OddsWashington's odds: +3.0 (-105) San Francisco's odds: -3.0 (-115)Spread: The 49ers are -3.0 favoritesWashington at San Francisco 49ers Picks1. Washington quarterback Alex Smith will have two touchdowns against his former team2. 49ers' quarterback Nick Mullens will be replaced with by C.J. Beathard late in the game3. Terry McLaurin will surpass 1000+ total receiving yards against the 49ersWashington at San Francisco 49ers Key NotesThis will be the first time Jordan Reed and Trent Williams will be facing their old team, with some bad blood in Williams handsAlex Smith is 9-4 as the starter for Washington, making him the most winning quarterback the team has hadWashington's defense is ranked 4th overall in the leagueRookie running back Antonio Gibson continues to lead the rookie RB class in several numbers.The 49ers offense ranks 14th in the league, with Nick Mullens leading the wayThe Niners are still very much in the playoff possibilities despite their tough division49ers leads the all-time head-to-head series with Washington 21-11-1.INTERCEPTED. #WashingtonFootball takes over.📺: #WASvsPIT on FOX📱: NFL app // Yahoo Sports app: https://t.co/aauV5qKucT pic.twitter.com/IJcD4pM1H8— NFL (@NFL) December 8, 2020Washington at San Francisco 49ers Key InjuriesWashington:RB Antonio Gibson (turf toe) did not practice is doubtful for SundayT Morgan Moses (groin) is questionableG Brandon Scherff (calf) is questionableSan Francisco 49ers:WR Deebo Samuel (foot) is questionableDT D.J. Jones (ankle) did not practice and is doubtful for SundayWashington at San Francisco 49ers PredictionPrediction: Washington 24, 49ers 20Money Line: Washington +150, 49ers -170Against The Spread: Washington 5-7, 49ers 5-7