Tottenham manager Antonio Conte feels he needs at least two more transfer windows to challenge for the Premier League title.
Spurs are level on 10 points with champions Manchester City in the top-flight table after winning three of their opening four games.
Conte has made minimal changes to his starting XI so far but thinks Spurs can still strengthen in key areas.
"If you compare to last season, we are more complete," said the Italian.
"But to reach other teams at the top level, we need time, patience and transfer markets, at least two transfer markets to reach the same level.