Original sentence: The Mavs became the first number one seed to lose to an eighth seed in a best of seven series (previous upsets were made in 5 game series)
Edited sentence: Many agree that the last seven seasons for the Mavericks, including three 60-win seasons, an NBA Finals meltdown, and a quick first round exit after winning 67 games, have been wasted and Mavericks owner, Mark Cuban should seriously consider a roster overhaul.Since the 2000-2001 NBA season, the Mavericks have a record of 374-167, with the least amount of games won in a season being 52 but yet they have been able to produce no championships.The Mavs became the first number one seed to lose to an eighth seed in a best of seven series (previous upsets were made in 5 game series), leaving the Dallas Mavericks, primarily their star player, Dirk Nowitzki to receive criticisn for not being able to execute when it matters most and to fight his reputation as a choker.The Mavs have a better record than the Los Angeles Lakers throughout the last seven years but the Lakers have more championships and have more finals appearances than the Dallas Mavericks