Noel Whelan has suggested Matt Doherty has struggled to settle at Tottenham since joining from Wolves.
The former Leeds United striker, speaking exclusively to Football Insider, admitted the 29-year-old is a “weak” link in the Spurs team.
Doherty has played 25 times for the north Londoners across all competitions this season but has not nailed down a regular starting role under Jose Mourinho.
He has just 10 Premier League starts under his belt for the Lilywhites, with a further seven in the Europa League.
In comparison, fellow right-back Serge Aurier has made 14 league starts so far.
Whelan insisted Doherty’s sub-standard performances had weakened Spurs and suggested he had struggled to settle into life under Jose Mourinho.
Whelan told Football Insider’s Russell Edge: “I think Jose Mourinho expected a lot more from him when he signed, that’s for sure. He’s certainly not been the player we saw at Wolves, that’s for sure.
“He’s somebody that doesn’t seem have settled easily into life in London or at Tottenham. It is worrying because they haven’t got an abundance of right-backs there.
“You really need that wing-back to be everything because that is what’s so important to their side right now.
“It’s not only defending but getting forward, overlaps getting into good areas, showing that quality.
“When you’ve got one player not doing it on one side, it weakens you.”
Doherty has a total of 88 appearances, eight goals and 12 assists under his belt in the Premier League.
The Republic of Ireland international made 302 appearances for Wolves before leaving Molineux last summer.
Football Insider revealed earlier this week that only £10million of the £16m transfer fee went to Wolves, with the remainder direct to Doherty’s agent Jorge Mendes.