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With seven minutes and 13 seconds left to play Sunday, Nick Bosa was on his way to a Super Bowl ring and an MVP award.
About six minutes and 21 unanswered Chiefs points later, Bosa broke down in tears on the sideline.
The line between triumph and tragedy is razor thin. If the brash, demonstrative 22-year-old rookie sensation didn't know that at the start of the fourth quarter of Super Bowl LIV, he surely knows it now that his sideline sobbing has gone viral and the 49ers face an offseason of second-guessing and disappointment.