James Maddison pictured on crutches after worrying Tottenham injury as Thomas Frank gives update

Tottenham Hotspur manager Thomas Frank delivered a short but telling update on James Maddison following the midfielder's distressing injury against Newcastle United.

The 28-year-old came on for the final 15 minutes of Sunday's 1-1 friendly draw in South Korea, but his race was run after just 11 minutes owing to a serious-looking knee problem.

Maddison dropped to the turf clutching his right knee after an apparent awkward step, and the former Leicester City man covered his face with his hands as he was stretchered off.

Players from both sides - including the departing Son Heung-min - expressed great concern for Maddison, who also suffered from a moderate knee issue towards the end of last season, missing the Europa League final as a result.

Spurs are unlikely to learn the full extent of Maddison's injury for a couple of days, but there are already well-founded fears that the England international could be sidelined for a lengthy period, as he was seen making his way through the mixed zone on crutches after the game.

Frank delivers Maddison latest after Newcastle injury

Speaking to the media at his pre-game press conference, Frank conceded that Maddison's new injury appeared to be in the same area as his previous one, saying: "We're pretty sure it was the same knee he injured before."

Spurs are already missing fellow playmaker Dejan Kulusevski due to his own knee problem, and Frank does not anticipate having the Sweden international back for the start of the season.

The Lilywhites' only other out-and-out number 10 is 21-year-old Alfie Devine, who was left out of their pre-season tour squad in order to explore a loan move away from the club in the summer transfer window.

Other potential alternatives could include Lucas Bergvall and Mohammed Kudus, the latter of whom was brought on for Son Heung-min on Sunday as the South Korean made what is expected to be his last appearance for Tottenham.

Son announced his intentions to leave the club on Saturday and played 65 minutes as captain before an emotional farewell, where he was given a guard of honour by players from both sides prior to his substitution.

Frank provides Son transfer update after Spurs farewell

The 33-year-old is understood to be on the brink of joining MLS club Los Angeles FC for around £15m, and Frank confirmed that the deal is likely to go through imminently.

"I think it's very likely Sonny's last game because it's very close," Frank added, as quoted by football.london. "I think sometimes in life and football things can be both beautiful and brutal. That's what we got today.

"It looks like with Madders a bad injury and then on the other side unbelievable scenes for Son from his team-mates and the respect from the Newcastle players.

"First we had the walk-round and then the team-mates gathered around and he was emotional. In the changing room it was more of the same. I just said a few things but not much because it's about Sonny and then he said a few things. It was beautiful."

Son is expected to remain in South Korea rather than head back to Europe with Tottenham, who are next in action against Harry Kane's Bayern Munich on Thursday before facing Paris Saint-Germain in the UEFA Super Cup on August 13.