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5 Questions: Breaking down Rock Ya-Sin’s strengths, weaknesses during time with Colts

As the free agency craze reached its lull, the Detroit Lions continued to build out their depth in the secondary by signing veteran cornerback Rock Ya-Sin, who most recently played for the San Francisco 49ers in 2024. A former second-round pick of the Indianapolis Colts in 2019, Ya-Sin brings a physical skill set and a wealth of starting experience to Detroit’s defensive backfield. With his aggressive playing style and ability to match up against bigger receivers, he adds depth and competition to a group looking to solidify itself ahead of the 2025 season.