The 2026-27 Serie A campaign opens with a tightly bunched market for most clean sheets because multiple clubs enter with proven defensive structures and reliable goalkeepers. Inter’s backline, anchored by experience and continuity under the defending champions, supports Sommer’s implied probability, while Milan’s reload and Maignan’s shot-stopping consistency keep him level. Roma’s organized unit behind Svilar, Atalanta’s high-pressing style, and emerging sides such as Como sustain comparable chances for Butez, Di Gregorio, Carnesecchi, and others. League-wide emphasis on compact defending, combined with pre-season roster stability and an even opening fixture slate, limits separation among the top options and underscores how small differences in team results or late injuries could shift the leaderboard.