Starting with the NFC…
Bears (VS Packers):
Clinched 1 seed
Seahawks (vs Falcons):
Own conference tiebreak over Cowboys for 2 seed
Cowboys (vs 49ers):
Week 18 win vs SF + Week 18 SEA loss vs ATL clinches DAL 2 seed
Falcons (vs Seahawks):
Clinched 4 seed
Giants (vs Chiefs):
Owns H2H tiebreak vs GB
Win Week 18 clinches 5 seed
Loss W18 + SF win + GB loss makes NYG 6 seed due to common opponent tiebreak
Loss W18 + SF AND GB win comes down to SOV for 5-7 seed (undecided, too close to call currently)
Packers (vs Bears):
Own H2H tiebreak vs WAS
Week 18 win vs CHI clinches playoffs
Tiebreaks vs SF comes down to SOV (undecided, too close to call currently)
49ers (vs Cowboys):
Own H2H tiebreak over Bucs
Week 18 win clinches playoffs
Week 18 loss + LAR win eliminates SF from playoffs
Week 18 loss + GB loss + LAR loss + WAS win 7 seed between GB and SF comes down to SOV
Commanders (vs Broncos):
Owns conference tiebreak over every potential 9-8 teams
Win Week 18 + 49ers loss clinches WAS playoff spot
Win Week 18 + vs GB loss + either TB and/or LAR win clinches WAS 7 seed
Win Week 18 + 49ers loss vs DAL AND GB loss vs CHI clinches WAS 6 seed
Rams (vs Cardinals):
Own div record tiebreak over 49ers
Own SOV tiebreak over Packers
Virtually needs Commanders to lose
Win Week 18 + SF win + GB loss + WAS loss gives LAR 7 seed on SOV tiebreak
Win Week 18 + SF loss + GB loss + WAS win gives LAR 7 seed on SOV tiebreak
Win Week 18 + SF loss + GB loss + WAS loss gives LAR 6 seed GB 7 seed
Bucs (vs Saints):
Owns H2H tiebreak vs Rams
Win Week 18 + SF loss + LAR win + WAS loss gives Bucs 7 seed on H2H vs Rams
Things get simpler in the AFC
Ravens (vs Bengals):
Clinched 1 seed
Colts (vs Chargers):
Own H2H over Raiders for 2 seed
Raiders (vs Texans):
Week 18 win vs HOU + IND Week 18 loss to LAC cliches 2 seed
Dolphins (vs Jets):
Clinched 4 seed
Own tiebreak over Bills for division
Bengals (vs Ravens):
Week 18 win clinches CIN 5 seed
Week 18 loss + EITHER JAX win OR CLE win makes CIN 6 seed
Week 18 loss + JAX win AND CLE win makes CLE 5, JAX 6, CIN 7 seed
Browns (vs Steelers):
Own conference tiebreak over JAX
Would own div tiebreak over CIN with Week 18 win + CIN loss
Week 18 loss + JAX loss Browns are 6 seed
Week 18 win + JAX win + CIN win Browns are 6 seed
Jaguars (vs Titans):
Own conference tiebreak over CIN
Week 18 win + CLE loss + CIN win Jags are 6 seed