Week 1 of the 2017 NFL season starts Thursday, which means the fantasy football frenzy will soon be at a fever pitch.
Leagues that had early drafts are already seeing owners scramble, as late-preseason injuries, cuts and depth-chart changes ruin the best-laid plans. Some drafters may already be having second thoughts and are looking to make some early adjustments to smooth out the back ends of their rosters.
Here's a look at the top players added and dropped in Yahoo fantasy leagues heading into Week 1.
Players owned in more than 60 percent of leagues are not included to account for the larger 12- and 14-player leagues, except for a few cases where there were noteworthy swings in ownership.