Tianjin Quanjian are threatening to take legal action against Anthony Modeste and Cologne after the German club announced they had re-signed the striker.
Cologne released an official statement on Saturday to confirm Modeste, who had been training with their under-21 team, had rejoined on a contract spanning until 2023.
The 30-year-old initially left in July 2017 for a reported fee of €35million, signing a deal scheduled to run until the end of 2020.
However, Modeste has been in a contract dispute with Tianjin since August and while his appeal for an early termination is yet to be resolved by FIFA, has now agreed a return to one of his former employers.
The Chinese Super League side responded to the news by issuing a statement, reminding both Modeste and Cologne that he is still registered as a Tianjin player while revealing they are prepared to take the matter to the Court of Arbitration for Sport if necessary.
"Modeste joined Tianjin Quanjian in 2017 and signed a contract valid until the end of 2020. Since August 2018, Modeste has left the team while remaining a registered player and he appealed to FIFA for an early termination of the contract," the statement read.
"Tianjin Quanjian has actively responded to the lawsuit, relying on the facts to reasonably refute the unreasonable demands of the player.
"Before FIFA made a decision, the club regretted the misjudgement of Cologne in signing Modeste and reminded Cologne that it might be responsible for breach of contract with the player.
"Tianjin Quanjian firmly believes that FIFA will make a fair decision on this case, and the club will take all measures to safeguard our legitimate rights and interests. Also, the club has made further preparations, to file a legal proceeding against Modeste and Cologne at the Court of Arbitration for Sport."
Modeste scored 45 goals in his first two-year spell with Cologne, who were relegated from the Bundesliga at the end of last season.
"Cologne has been very concerned about me and helped me tremendously in the past weeks after my return from China," he said in a statement on the club's website.
"I really want to repay this support and trust and do my part to make them successful. I cannot wait to get up for Cologne again."
16 de diciembre 2018
|Thunder´s Westbrook: ´When we defend like that — best team in the league´|
|Kante at his best further forward, reiterates Sarri|
|Rose capitulates in Indonesia to squander chance to top rankings|
|Fielding: The better man won but I lived a dream|
|Rallying Bulls stun Spurs, LeBron and Ball post triple-doubles|
|Latham century puts New Zealand in commanding position|
|Mayfield leads Browns past Broncos|
|Canelo-GGG trilogy? We can make it happen – Alvarez|
|Canelo outclasses Fielding by third-round TKO|
|Farmer retains title prior to Canelo-Fielding bout|
|Qatar unveils Lusail Stadium for 2022 World Cup|
|Lakers pair LeBron, Ball revel in triple-double feat|
|Allegri hails ´great professional´ Ronaldo|
|LeBron, Ball first Lakers team-mates with triple-doubles in same game since 1982|
|Premier League contenders Liverpool ready to win titles – Henderson|
|Hopkins´ two TDs help Texans close in on AFC South title with win over Jets|
|Courtois: Simeone criticises Real Madrid to boost popularity|
|Mourinho in the dark over transfers as Pogba rumours swirl again|
|Mourinho marvels at Salah going nuclear|
|The lucky ones - Mourinho assesses Liverpool´s title charge|
15 de diciembre 2018
|Juventus boss Allegri turned his back on Ronaldo penalty|
|Dickerson hoping Barkley falls short of breaking his records|
|Bristol shock La Rochelle, Clermont win again|
|LeBron: Meeting Jordan for first time was godly|
|Ronaldo scores Juventus´ 5,000th Serie A goal|
|I was all over the place - Allen reaches Scottish Open final despite hangovers|
|Solari defends wasteful Asensio after slim Madrid win|
|Torino 0 Juventus 1: Ronaldo capitalises on Zaza woe|
|I do my work on the pitch – Icardi unconcerned by Inter contract discussions|
|Lyon defender Rafael set for three months out|
|Inter captain Icardi is the ´perfect´ striker – Spalletti|
|Fulham have to stick together, says Ranieri|
|Nuno hails ´very special´ Wolves achievement after third straight win|
|Stuttgart captain Gentner´s father dies at Hertha fixture|
|Valverde not desperate for new centre-back amid talk of Christensen loan|
|Toulouse and Saracens stay perfect in Champions Cup|
|Kovac lauds Bayern´s best performance of the season|
|Barcelona can get the best out of Coutinho and Dembele, claims Valverde|
|Borussia Dortmund 2 Werder Bremen 1: Alcacer and Reus guarantee top spot for mid-season break|
|Bristol City 2 Norwich City 2: Canaries knocked off their perch despite late equaliser|
|Atletico´s fighting spirit lauded by Simeone, Godin|
|Hodgson relieved to see Palace end Zaha curse|
|Real Madrid 1 Rayo Vallecano 0: Benzema secures steady response to CSKA loss|
|Fulham 0 West Ham 2: Snodgrass, Antonio punish profligate hosts|
|Warnock brands refereeing situation ´a disgrace´ after Watford defeat|
|Inter 1 Udinese 0: Icardi penalty gets lethargic Nerazzurri back on track|
|Wagner retains belief in survival bid despite Newcastle defeat|
|Griezmann feeling the strain after busy 2018|
|Pochettino ´so pleased´ as tired Tottenham scrap to Burnley win|
|Man Utd hand Smalling new contract|
|ES Tunis 0 Al Ain 3: Convincing victory books River Plate semi|
|Championship Review: Bamford fires Leeds to summit, Middlesbrough defeated by QPR|
|Curry reacts to Kings´ trolling with moon landing video|
|Wentz ruled out of Rams clash|
|Pochettino reaches 100 Premier League wins for Tottenham faster than Wenger for Arsenal|
|Real Valladolid 2 Atletico Madrid 3: Griezmann the hero on landmark appearance|
|Silva rues Richarlison´s missed chances at City|
|Gibson has no worries over Proteas batsmen|
|Wolves 2 Bournemouth 0: Jimenez and Cavaleiro score against toothless Cherries|
|Crystal Palace 1 Leicester City 0: Captain Milivojevic earns vital victory|
|Watford 3 Cardiff City 2: Hornets hang on despite late fightback|
|Tottenham 1 Burnley 0: Eriksen snatches victory at the death|
|Huddersfield Town 0 Newcastle United 1: Rondon strike settles scrap|
|Sabres suspend forward Berglund for failing to report to the team|
|Saunders thanks Fury for getting him ´back on the right track´|
|Hannover 0 Bayern Munich 4: Gnabry and Kimmich star in crushing win|
|I admire Sterling – Guardiola|
|City´s strength in depth makes it hard for me – Jesus|
|Jamieson holds slender lead in Malelane|
|Kashima Antlers 3 Guadalajara 2: Comeback win sets up Real Madrid semi-final|