Welcome to WatchMojo.world! Today, get ready to relive some of the most unforgettable blunders in sports history that left teams and fans in disbelief. From players to officials and even devoted supporters, these moments of misfortune have etched themselves into sporting lore.

Our countdown features iconic mistakes like Steven Gerrard's infamous slip, J.R. Smith's clock management blunder, Lindsey Jacobellis's heartbreaking fall, Leon Lett's premature celebration, and Andrés Escobar's tragic own goal.

Join us as we revisit these shocking moments that altered the course of games and careers. What's the biggest sports blunder you've witnessed? Share your thoughts with us in the comments below as we explore these unforgettable incidents together.

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