This is going to be a quick post.  I recently went back and checked which players were rostered after the regular season ended.  Because of our keeper rules that were in place, players acquired after the final regular season game were uneligible to kept the following year.  Even though this may not affect your keeper plans, the following players can not be kept by the owners that picked them up as they happened after the the final game of the regular season:

Dan -
Chargers D/ST