In many leagues, there may be only a few weeks left until the trading deadline, and only a few more opportunities to tweak your roster for the stretch run. But performance data over four or six weeks is fraught with volatility. In fact, the reliabili

In many leagues, there may be only a few weeks left until the trading deadline, and only a few more opportunities to tweak your roster for the stretch run. But performance data over four or six weeks is fraught with volatility. In fact, the reliabili