The Raiders haven’t recorded a single tie in a regular-season game since the NFL implemented the sudden-death overtime rule in 1974. But they’ve now posted back-to-back ties in exhibition contests.

A year after wrapping up their preseason schedule with a tie against the San Francisco 49ers , Las Vegas opened this year’s slate Thursday night with a 23-23 deadlock at the Seattle Seahawks.

Raiders eighth-year kicker Daniel Carlson had a 55-yard game-winning field goal attempt as time expired, but Seahawks undrafted free-agent edge rusher Jalan Gaines got a hand on the ball for a blocked kick.

Carlson made a 51-yarder minutes earlier to knot up the score on a night where the Raiders trailed throughout, but he also missed another 55-yard attempt at the end of the first half.

The wide-right,

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