“If it is realistic I don’t know but of course you want to keep everybody; keep the best players and still have a stronger team next season than we have this season.
“We will see what Les tells me. It is not about today.”
Koeman is understood to be frustrated at having to sell more than £100m worth of players in his two summers since succeeding Spurs counterpart Mauricio Pochettino in the hot-seat.
It could be history repeated this year, with goalkeeper Fraser Forster, midfielder Victor Wanyama and forward Sadio Mane all wanted by bigger clubs.