Injuries to top players and key players have been a major concern for the NBA this season, as teams face challenges to their core rotations and defensive depth.

The New Orleans Pelicans, who were previously led by superstar point guard Zion Williamson, suffered a setback on January 18th when they lost star center DeMarcus Cousins to an Achilles' tendon injury sustained in training camp. The injury is expected to sideline the Pelicans for several weeks while they work on addressing his recovery.

Meanwhile, the Los Angeles Lakers also suffered a blow when forward Anthony Davis tore his ACL during a game against the San Antonio Spurs on January 29th. This injury has put a strain on the Lakers' rotation and will likely require them to make some changes to their lineup moving forward.

Another key player to lose was guard Lonzo Ball, who had a strong start to the season but struggled throughout the season, leading to him being waived before the end of the regular season.

These injuries have caused a shake-up at the top of the roster, leaving the NBA looking to find ways to shore up its defensive front line. With the Pelicans having one of the league's best defenders in Anthony Davis, and the Lakers having another solid center in Anthony Davis, it's unclear how much longer these injuries can keep the team from playing well.

Despite the setbacks, the NBA has shown resilience over the course of the season and continues to look towards the future with renewed optimism. The league is hoping that these injuries will be temporary and that the team can continue to improve without losing any key players.