The home field curse affects the host team of the Super Bowl. So far no team has yet managed to reach the Super Bowl in their home stadium. Four teams with Super Bowls in their home venue have qualified for the divisional playoffs: the 1994 Miami Dolphins, the 1998 Miami Dolphins, the 2016 Houston Texans, and the 2017 Minnesota Vikings, the Vikings being the first to qualify for their conference's title game. From 1966--2011 (excluding the six Super Bowl games held in a stadium without a professional team), the Super Bowl host team has had 11 winning seasons, four split seasons, and 25 losing seasons. Mathematically, the probability of that many losing seasons or more occurring by chance (assuming a 50 percent chance of having a losing season (disregarding .500 seasons)) is 7.69 percent. It should be noted, however, that the Super Bowl host stadium is selected several years before the game is played, without regard to the teams that qualify.
has there ever been a host team in the super bowl?
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Answer: no

In Miami, James won his first NBA championship in 2012, and followed that with another title a year later. He was named league MVP and NBA Finals MVP in both championship years. In 2014, James opted out of his contract with Miami after four seasons to re-sign with the Cavaliers. In 2016, James led the Cavaliers to their first NBA championship by defeating the Golden State Warriors to end Cleveland's 52-year professional sports title drought. In 2018, he opted out of his Cleveland contract to sign with the Lakers.
did lebron james won a championship in cleveland?
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Answer: yes

While not an infringement of the back-pass rule, players are also prohibited from using a deliberate trick to pass the ball to the goalkeeper with a part of the body other than the foot to circumvent the rule. This would include, but not be limited to:
can you knee a ball back to the goalkeeper?
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Answer:
no