Complex sentence: His impressive Summer League display led to a contract offer from Mavericks, and on July 15, Gibson signed a partially guaranteed three-year deal with the team, however, he was waived on October 22 after appearing in seven preseason games.
Split into simpler sentences: His impressive Summer League display led to a contract offer from Mavericks, and on July 15, Gibson signed a partially guaranteed three-year deal with the team. However, he was later waived by the Mavericks on October 22 after appearing in seven preseason games.