FC Seoul and Jeonbuk Hyundai Motors anchor the closely contested K-League 1 clean sheets race after 29 matches, each holding 13 shutouts while Gangwon sits at 12 and several others trail by just a few. Seoul’s league-leading defense has conceded the fewest goals per game at 0.79, fueled by consistent organization and home dominance that produced eight clean sheets, yet Jeonbuk’s balanced record keeps pace through strong away performances and recent draws. With roughly nine matches remaining, fixture congestion, potential rotation, and head-to-head defensive battles among mid-table sides continue to compress implied probabilities near 47–49 percent across the field. Trader consensus reflects this parity, as no single team has pulled away decisively in the defensive metrics that define the market.