Dean Windass has exclusively told Football FanCast that Heung-Min Son's injury is a massive blow for Tottenham.

Son, whose been in outstanding goalscoring form this term, netting 18 times in all competitions, sustained a hamstring problem during Spurs' defeat at rivals Arsenal on Sunday and was forced off after just 19 minutes.

However, Son's injury would appear not as bad as first feared, and whilst Jose Mourinho confirmed the South Korean will miss Tottenham's Europa League tie in Zagreb tonight, the Spurs boss admitted there's a possibility he could return for the trip to Aston Villa on Sunday, if not after the international break.

With Son's replacement Erik Lamela, who scored a wonderful Rabona to put Tottenham ahead, now suspended having been sent off in the second-half, Spurs cannot afford to lose the attacker with crucial Europa League and Premier League games coming up, plus next month's Carabao Cup final against Manchester City, but the problem doesn't appear serious.

Windass told Football FanCast: "Well, it's massive isn't it. Depending on how significant it is, he could be out for a few weeks, so it's a massive blow to Tottenham.

"I said before Arsenal they will get in the top-four, but I will question it with all of the injuries they've got."

Gareth Bale's return to form has been a bonus for Mourinho, but Son's potential absence cannot be taken lightly. Whilst Harry Kane has often taken the plaudits for his remarkable goal and assist record this season, the winger's been equally as important for Tottenham.

On a more positive note, the international break at the end of this month could work in Spurs' favour.