In the NBA, trading and signing contracts is a gamble where both teams and players can win or lose. Some players only explode after signing their contracts, making them representatives of super-valuable contracts. However, there are also players who experience a cliff-like decline in performance after signing big contracts, causing significant losses for their teams. Looking at this season's performance, there are five major bad contracts in the league that have made teams suffer greatly, and some teams may even face the risk of rebuilding due to these bad contracts. Fifth place: Rockets' VanVleet with a 3-year, $129 million contract This season's average: 15 points, 4.6 rebounds, 6 assists, 1.6 steals Fourth place: Bulls' Ball with a 4-year, $80 million contract This season's average: 5.3 points, 3.4 rebounds, 3.7 assists, 1.3 steals Ball's shooting efficiency is worse than VanVleet's, and he also cannot maintain his health. However, fortunately, his contract will expire at the end of this season. Even so, the Bulls have been unable to trade him away as they wish. However, Ball's performance is affected by injuries. If he can stay healthy, he is far superior to VanVleet. Third place: Nets' Simmons with a 5-year, $177 million contract This season's average: 5.9 points, 5.2 rebounds, 5.9 assists Second place: 76ers' George with a 4-year, $212 million contract This season's average: 16.1 points, 5.7 rebounds, 4.8 assists, 1.9 steals George has made his first appearance on the list of bad contracts in his career. Judging from his performance with the 76ers, it was wise for the Clippers to let…