Former Tottenham director of football Damien Comolli has defended the club's quiet summer in the transfer market, telling talkSPORT it is an "impossible task" to improve their first XI.
Tottenham are the only club in England's top four leagues yet to make a summer signing after finishing last season with 11 wins from 12 Premier League games and with the best attack and defence in the top flight.
Tottenham manager Mauricio Pochettino has revealed that Chelsea new boy Alvaro Morata, who joined from Real Madrid in a club-record deal last month, was among the transfer targets to reject the chance to compete for a place in his first team.
Comolli spent three years at Tottenham from the summer of 2005 and he believes it is difficult for Pochettino to improve last year's runners-up.
"I think Tottenham deserve so much respect for what they've achieved," he said. "[Tottenham chairman] Daniel Levy and Mauricio Pochettino are working with less money than everybody else and working on a lot smaller wage bill than any of the Premier League's top five. We need to give them some credit.
"I'm sure they know exactly where they're going [in the transfer market]. The thing with Spurs which is extremely difficult for them to deal with and is probably very frustrating, is that if you take that first XI, it's so difficult to make it better because every player is fantastic, every player is young...
"Theirs was the second youngest team in Europe among the top five teams last season and yet they finished second in the Premier League which is the most competitive league. So to reinforce that team with players who are as good or better than those players, and as young too, it's almost an impossible task.
"They're probably looking for young and up-and-coming players to come and compliment that team, probably two or three, and I'm sure they'll achieve that in the end. It must be so difficult to find reinforcements for that team. Pound-for-pound, every player could play for almost every club in the world, that's how good that starting XI is."