The NBA has had six coaching changes since the start of the season. What gains can a bad team expect to make by firing a coach? Mannix: I asked a few NBA front-office officials this same question and they all had the same answer: You have to look at it in a case-by-case basis. So, let's do that. ... Washington: The Wizards (believe it or not) have yet to abandon their hopes of making the playoffs. Ed Tapscott told me that he and GM Ernie Grunfeld are hoping that by making defense a priority, the Wizards will be able to salvage the season.SI writer Chris Mannix's response to a roundtable discussion. So would this explain why Tapscott continues to play the veterans over the young players? The team still hasn't faced the reality that this season is lost?