David Raya leads the market as Arsenal’s established starting goalkeeper in a side with one of the Premier League’s most organized defenses. Traders price his 72% implied probability highest because Arsenal’s backline structure, high press, and set-piece organization typically limit high-quality chances, supporting clean-sheet volume. Recent pre-season reports show no major defensive injuries or departures disrupting that unit, while squad depth in central defense and full-back roles remains intact. Other options, including Bernd Leno, Jordan Pickford, and Gianluigi Donnarumma, sit lower because their clubs project more goals conceded based on recent campaign trends and fixture difficulty. The wide gap reflects the wisdom of crowds assessing team-level defensive metrics over individual goalkeeper form alone.