2010: Kansas City Chiefs (Week 5 / 3-0) 2011: Green Bay Packers (Week 15 / 13-0) 2012: Atlanta Falcons (Week 10 / 8-0) 2013: Kansas City Chiefs (Week 11 / 9-0) 2014: Cincinnati Bengals (Week 5 / 3-0) [Yes the Bengals was the last undefeated team in the 2014-15 NFL season.] 2015: Carolina Panthers (Week 16 / 14-0) 2016: Minnesota Vikings (Week 7 (Wrong number typed in video) / 5-0) 2017: Kansas City Chiefs (Week 6 / 5-0) 2018: Los Angles Rams (Week 9 / 8-0) 2019: San Francisco 49ers (Week 10 / 8-0) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- [TEAM NAME]: [NO. OF APPEARENCES] (YEAR(S) | WEEK-THAT-THEY-LOST(S) | FINAL-FLAWLESS-WIN-STREAK(S)) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Kansas City: 3 (10/13/17 | 5/11/6 | 3/9/5) Carolina: 1 (15 | 16 | 14) Green Bay: 1 (11 | 15 | 13) Atlanta: 1 (12 | 10 | 8) San Francisco: 1 (19 | 10 | 8) Los Angles (Rams): 1 (18 | 9 | 8) Minnesota: 1 (16 | 7 | 5) Cincinnati: 1 (14 | 5 | 3)