Arsenal head into Wednesday’s Carabao Cup fourth-round tie with Brighton buoyed by an impressive run of results but nervy about squad availability. Mikel Arteta’s side have been one of England’s most consistent teams this season — topping the Premier League early on — yet key absences mean the Emirates could see a rotated Arsenal that’s still expected to win but not without risk. Form and momentum Arsenal arrive on the back of a strong unbeaten streak across competitions, a run that has lifted confidence around the squad and encouraged bookmakers to make the Gunners firm favourites for this tie. That momentum is real: Arsenal’s defensive record this season has been among the best in the top flight, and the side still possess match-winners capable of deciding cup matches even when rotated. Brighton’s profile and danger signs Brighton have been one of the most dependable mid-to-upper table teams in recent years, and under the right circumstances they’re excellent at exploiting rotation. Their tactical discipline, press triggers and ability to punish transitional spaces make them a classic cup threat — especially against a rotated opponent. Tipsters have flagged Brighton as a realistic upset candidate when Arsenal manage the squad tightly, and a small minority of betting markets are offering value on the away side for that reason. Key absences and tactical tweaks The loss of William Saliba and Gabriel Martinelli forces Arteta to tinker: without Saliba’s aerial dominance and Martinelli’s directness, Arsenal are likely to rely more on balls played into the channels by their wide midfielders and on controlled possession to create openings. That invites a Brighton gameplan that is compact defensively, looks to break fast and target set-piece or counter opportunities. Expect Arsenal to try to control the tempo while Brighton stay patient and wait for turnovers. Reuters Odds trends and market signals Across major bookmakers and odds-comparison sites Arsenal are priced as clear favourites (generally around 1.4–1.5), with Brighton trading much longer — the market consensus is an Arsenal win but not an overwhelming probability. Several tipsters are leaning toward Arsenal progressing, but there’s appetite for alternate markets: under 2.5 goals, both teams to score, and first-half/second-half splits are all drawing interest. The odds movement suggests most bettors accept Arsenal’s edge but are seeking value in props that reflect rotation and a tighter scoreline. Players to watch For Arsenal, watch the wide creators and the set-piece delivery — their ability to find a rotated front line will be decisive. If Eberechi Eze or Bukayo Saka (if deployed) get time and space, Arsenal’s chance conversion should remain healthy. For Brighton, their forward runners and a clinical finisher on the break can tilt the tie: a single swift counter or a set-piece can flip the narrative, particularly if Arsenal manage minutes for fringe attacking players. Betting angle and risk management This is a classic cup fixture where favourites are backed to progress but margins are thin because rotation increases variance. If you favour a straight outcome, backing Arsenal to progress (90 minutes or extra time depending on your appetite) is logical at the prices on offer; if you’re hunting value, consider Arsenal to win but under 2.5 goals, or an Arsenal narrow-win plus Both Teams To Score — markets that reflect the reality of rotation and Brighton’s opportunism. Several bookmakers offer boosted bet builders on this slate of matches — use them sparingly and compare prices before committing. Short betting insight / prediction summary Prediction: Arsenal to win (Arsenal to progress), 1–0 or 2–0 the most likely scorelines. Smart market plays: Arsenal to win & Under 2.5 goals, or a cautious bet on Both Teams To Score if you expect Arsenal’s rotation to leave defensive gaps. Stake responsibly — this is a low-variance favorite with meaningful upset potential.