When you go to your team stats, it shows you your team records for points, assists, rebounds and blocks. There were already records there when I took over the team last season, and since I've beaten 3 of those and set new marks with my own players. Rebounds (22), assists (11) and blocks (6). I was on that page today, and saw that all three of those are now replaced (Reb at 30, assist at 12 and block at 7) by players I've never heard of, and who are all currently retired.
Any idea how that happened?