Tottenham remain unbeaten in the Premier League after three games this season, with two 1-1 draws against both Everton and Liverpool either side of a 1-0 victory over Crystal Palace.

Spurs's three goals so far have come from unlikely sources, with Erik Lamela, new boy Victor Wanyama and Danny Rose each getting themselves on the scoresheet to bring home five points from a possible nine.

While it is early days, it seems Tottenham's front line are struggling from the same kind of form it did in the early part of last season - being unable to find the net.

Harry Kane went nearly eight games without scoring at the beginning of last season and seems to have continued in a similar vein this time out, too.

Having signed Vincent Janssen for £18million this summer from Dutch side AZ Alkmaar, Spurs fans were hoping the big Dutchman would be able to deliver in the absence of Harry Kane's form - but that has not been the case.

The Eredivisie's top scorer of last season is also yet to find the net for his new side, and has looked awash in the opening three games.

It was well documented that Tottenham needed to sign a striker this past summer, but we think they may just have turned to the wrong source to do so.

Here are three reasons why Janssen was a poor signing for Pochettino and Co...

Eredivisie

MATEJA KEZMAN

When signing a striker from the Eredivisie, the truth is you're either going to land yourself one of two players: a Luis Suarez or, unfortunately, a Siem De Jong.

While there has indeed been some of the best strikers of the Premier League era join from the Dutch top flight - most notably the aforementioned Suarez, Ruud Van Nistelrooy and Robin Van Persie  - the reading does not bode so well for the others that made the transition from the Netherlands to the Premier League.

Afonso Alves once of Middlesborough,  Mateja Kezman at Chelsea and, of course, Manchester United's Memphis Depay were all top scorers in the Eredivisie before securing moves to the Premier League.

All totally flopped, much like Janssen will do this season.

Tottenham's Needs?

Jermain Defoe - Tottenham Hotspur 9-1 Wigan Athletic (2009)

Tottenham were excellent at keeping the ball last season, playing along the ground and their high intensity work-rate to receive the ball once lost.

While Janssen is well known for his work rate and he has indeed showed that in his opening few games for Spurs, it is his other attributes the lead you to question whether he is the man Tottenham really needed.

Great in the air, physically strong and good with his back to goal, Janssen is a typical 6ft+ centre forward. Unfortunately, though, that is not the way Spurs play, and the truth is Harry Kane already plays a lot of the game with his back to goal.

Signing someone who can run-in behind and pose a different kind of threat that compliments Harry Kane and the midfield's style of play would have been a more sensible option.

Janssen needs to be the Jermain Defoe to Harry Kane's Robbie Keane; but instead he is more Peter Crouch.

A Proven Record

Vincent Janssen (2)

There is no doubt - at some point this season anyway - that Harry Kane will begin firing on all cylinders.

The problem last season was that when he wasn't or was out injured, they had nobody to fill that hole; nobody to provide the goals when Kane couldn't.

Janssen scored an impressive 31 times last season, but the campaign before that the striker was playing in the second tier of Dutch football, making this only his second season at the top level and of course first in the Premier League.

Adapting takes time, but Spurs don't have time. They needed to sign a proven goalscorer with a track record of top flight, if not Premier League, goalscoring.

Janssen, while undoubtedly talented at only 22, is not that.