Sharp NFL Week 5 Upset Predictions – See the 3 Best Underdog Picks
By Sascha Paruk in NFL News
Published:
Every Sunday, the NFL betting market misprices a matchup (or two or three), giving bettors the chance to pounce on +EV underdogs. The 15-game Week 5 slate features several touchdown-plus moneyline longshots. The winless Tampa Bay Buccaneers (+350) and Miami Dolphins (+310) have attractive longhos odds, but neither has the underlying metrics to justify a wager.
The most glaring edges emerge when oddsmakers undervalue early-season metrics, trench advantages, or coaching disparities. Analyzing current pricing alongside situational factors reveals the games most-ripe for a market correction. The breakdown below details the three best NFL upset picks for Week 5.
The picks stem from a nine-signal weighted underdog model evaluating current-season form, coaching pedigree, and situational metrics.
NFL Week 5 Upset Predictions: 3 Underdogs That Can Win Outright
The San Francisco 49ers top the board as the lone high-confidence pick, separated from the pack by the model’s heaviest signal: entering a divisional clash as a field-goal underdog.
For the second straight week, my upset picks went 2-1 in Week 4 – and a hair’s breadth from going 3-0: the Eagles’ fourth-quarter collapse was the only thing standing between my and a clean sweep.
For the season, my underdog picks are now 5-7 SU (-0.66 units on 1-unit wagers).
Upset Pick #1: 49ers (+137) over Seahawks
San Francisco carries the model’s most predictive metric, hitting Signal 1 by entering a divisional clash as an underdog of three points or fewer. The San Francisco 49ers hit three additional signals to validate their high-confidence tier. They hold the superior win percentage (1.000 vs .750). Defensively, San Francisco yields fewer rushing yards per game than the Seattle Seahawks (99.8 vs 102.0) for Signal 7.
Signal 6 pits a robust San Francisco passing attack (251.8 net yards per game) against a Seattle defense surrendering 144.8 passing yards per contest. The sharpest counterpoint favors Seattle’s coaching edge: Mike Macdonald boasts a .732 career win percentage (30-11) compared to Kyle Shanahan’s .569 (95-72), while Macdonald leads the all-time head-to-head series 3-2. To execute the upset, San Francisco must suppress Seattle’s ground game and utilize aerial efficiency to crack a stringent secondary.
Upset Pick #2: Bills (+144) over Rams
The Buffalo Bills travel to face the Los Angeles Rams holding distinct advantages across four metrics, capturing Signals 3, 4, 6, and 9. The Bills enter with a .750 win percentage, eclipsing the .500 mark of the Rams. On the ground and in ball security, Buffalo’s 139.0 rushing yards per game and -2 turnover margin outpace Los Angeles’s 126.8 rushing yards and -5 differential.
Buffalo’s passing offense (247.2 net yards per game) challenges a Rams defense allowing 145.5 net passing yards. The Bills also generate more sacks per game (2.5 vs 1.75). The clearest counterpoint involves rushing defense, as Los Angeles allows fewer yards per game (102.0 vs 116.0). Additionally, Buffalo’s Joe Brady has under 16 career games (3-1), neutralizing the coaching signals. For Buffalo to win outright, the defense must exploit turnover tendencies and apply consistent pass rush.
Upset Pick #3: Chargers (+163) over Broncos
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Despite a winless start (0-4), the Los Angeles Chargers trigger five signals as home underdogs against the Denver Broncos (Signals 2, 5, 7, 8, and 9). Los Angeles secures home-field advantage (Signal 8) alongside a definitive coaching edge. Jim Harbaugh possesses a .638 career win percentage (71-40-1) against Sean Payton’s .620 (196-120), with Harbaugh controlling the all-time head-to-head series 5-2.
On defense, the Chargers surrender fewer rushing yards per game (121.8 vs 142.8) and record more sacks (2.5 vs 2.0). The glaring counterpoint remains team form. Denver sits at .500 (2-2) with a superior turnover margin (-1 vs -3), while Los Angeles remains at .000. To secure an outright victory, the Chargers must leverage Harbaugh’s historical dominance over Payton, contain Denver’s ground game, and convert the pass-rushing advantage into timely stops.
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Managing Editor
Sascha has been working in the sports-betting industry since 2014, and quickly paired his strong writing skills with a burgeoning knowledge of probability and statistics. He holds an undergraduate degree in linguistics and a Juris Doctor from the University of British Columbia.
