guaranteed winner: SEA
(each team can only be used once per season, PITT, NE, MINN, INDY, STL, KC, ATL, SF, DAL, TN, NYG, HOUS, CLE, DEN, CAR, SD used, 11-5)
guaranteed loser: JAX
(each team can only be used once per season, OAK, STL, INDY, PHIL, NYJ, TN, CLE, BUFF, CHI, DAL, MN, TB, GB, NYG, SD, HOUS used, 11-5)