In accordance with Article 43 of the UEFA Europa League regulations, a club may enter a maximum of three new eligible players for the remaining matches in the current competition.
Can the signings play the playoffs?
Ajax (NED)
Sébastien Haller, new face of Ajax in attackANP/AFP via Getty Images
High: Sébastien Haller (West Ham), Ousama Idrissi (Sevilla, on loan)
Low: Klaas-Jan Huntelaar (Schalke)
Antwerp (BEL)
High: Felipe Avanetti (Standard de Liège, on loan), Ortwin De Wolf (Eupen, on loan), Maxime Le Marchand (Fulham, on loan)
Low: Ivo Rodrigues (Famalicão), Benson Manuel (Zwolle, ceded), Louis Verstraete (Beveren, ceded), Júnior Pius (Sint-Truiden, ceded)
Arsenal (ENG)
High: Martin Ødegaard (Real Madrid, loan), Omar Rekik (Hertha Berlin), Mat Ryan (Brighton, loan)
Low: Mesut Özil (Fenerbahçe), Ainsley Maitland-Niles (West Brom, loan), Joe Willock (Newcastle, loan), Shkodran Mustafi (Schalke), Sead Kolašinac (Schalke), Sokratis Papastathopoulos (end of contract, Olympiacos), William Saliba (Nice, loan), Matt Macey (Hibernian), Matt Smith (Charlton, loan) Zech Medley (Kilmarnock, loan)
Benfica (POR)
Martin Ødegaard has come on loan to ArsenalGetty Images
High: Lucas Veríssimo (Santos)
Low: Ferro (Valencia, on loan), Facundo Ferreyra (Celta), Gedson Fernandes (Galatasaray, on loan)
Braga (POR)
High: Cristián Borja (Sporting CP), Andraž Šporar (Sporting CP, on loan), Lucas Piazón (Chelsea), Dion McGhee (free)
Low: Paulinho (Sporting CP), Guilherme Schettine (UD Almería, cedado)
Bruges (BEL)
High: Bas Dost (Eintracht), Nabil Dirar (Fenerbahçe, loan), Stefano Denswil (Bologna, loan), Tahith Chong (Manchester United, loan)
Low: Krépin Diatta (Mónaco), Luan Peres (Santos), Siebe Schrijvers (Leuven), Emmanuel Dennis (Colonia), Simon Deli (Slavia de Praga, cedido), Michael Krmenčík (PAOK, cedido)
Red Star (SRB)
Stefano Denswil, in action with BrugesGetty Images
High: Filippo Falco (Lecce), Sékou Sanogo (Al-Ittihad), Axel Bakayoko (Inter de Milan), Slavoljub Srnić (free)
Low: Stefan Hajdin (Voždovac), Marko Kontar (Pancevo, cedido), Veljko Simić (Vojvodina), Nikola Vasiljević (Proleter, cedido), Nikola Stanković (Graficar, cedido), Srdjan Spiridonović (Gençlerbirliği, cedido), Luka Marković (Macva, cedido), Richmond Boakye (fin de contrato)
Zagreb Dynamo (CRO)
High: Marijan Cabraja (Gorica)
Low: Fran Karačić (Brescia), Vinko Soldo (Diósgyőr, cedido), Josip Šutalo (Istria, cedido), Marko Lešković (Lokomotiva, cedido)
Dynamo Kyiv (UKR)
High: none
Low: Heorhii Tsitaishvili (Vorskla, cedido)
Granada (ESP)
Chris Richards wants to contribute to HoffenheimFC Bayern via Getty Images
High: Domingos Quina (Watford, on loan), Adrián Marín (Alavés)
Low: Ramon Azeez (Cartagena, on loan)
Hoffenheim (GER)
High: Georginio Rutter (Rennes), Chris Richards (Bavaria, cedido)
Low: João Klauss (Standard de Lieja, ceded), David Otto (Jahn Regensburg, ceded), Jacob Bruun Larsen (Anderlecht, ceded)
Krasnodar (RUS)
High: Leo Goglichidze (Chayka)
Low: Andrei Sinitsin (end of contract), Leo Goglichidze (Nizhny Novgorod, loan), German Onugkha (Vejle BK, loan)
Leicester (ENG)
Demarai Gray has traded Leicester for LeverkusenLeicester City via Getty Images
High: none
Low: Demarai Gray (Leverkusen), Filip Benković (OH Leuven, ceded), Admiral Muskwe (Wycombe, ceded), Callum Wright (Cheltenham, ceded), Matty James (Coventry, ceded), Daniel Iversen (Preston, ceded), Islam Slimani (Lyon), Darnell Fisher (Wimbledon, ceded)
Leverkusen (GER)
High: Demarai Gray (Leicester), Timothy Fosu-Mensah (Manchester United), Jeremie Frimpong (Celtic)
Low: none
LOSC Lille (FRA)
High: none
Low: Abou Ouattara (Amiens, ceded), Fatigue Ouattara (Valencia, ceded), Cheikh Niasse (Panathnaikos), Usman Simbakoli (Laval, ceded), Adama Soumaoro (Bolonia)
Maccabi Tel-Aviv (ISR)
Amad Diallo has signed for Man. UnitedManchester United via Getty Images
High: André Geraldes (APOEL)
Low: Rowan Human (Beitar Tel-Aviv, ceded), Roslan Barsky (Hapoel Haifa, ceded)
Manchester United (ENG)
High: Amad Diallo (Atalanta)
Low: Teden Mengi (Derby, on loan), Facundo Pellistri (Alavés, on loan), Timothy Fosu-Mensah (Leverkusen), Ethan Laird (MK Dons, on loan), Jesse Lingard (West Ham, on loan), Tahith Chong (Bruges, on loan) , James Garner (Nottingham Forest, on loan)
Milan (ITA)
High: Fikayo Tomori (Chelsea, on loan), Mario Mandžukić (free), Soualiho Meïté (Torino, on loan)
Low: Léo Duarte (Istanbul Basaksehir, on loan), Andrea Conti (Parma, on loan), Lorenzo Colombo (Cremonese, on loan), Mateo Musacchio (Lazio), David Capanni (Racing de Santander, on loan)
Molde (NOR)
Fikayo Tomori went from Chelsea to Milan (on loan)Getty Images
High: Birk Risa (Odd), Björn Sigurdsson (Lillestrøm)
Low: Henry Wingo (Ferencváros), Leke James (Al-Qadisiyah), Mattias Moström (end of contract)
Naples (ITA)
High: none
Low: Fernando Llorente (Udinese), Kévin Malcuit (Fiorentina, on loan), Arkadiusz Milik (Marseille, on loan), Adam Ounas (Crotone, on loan)
Olympiacos (GRE)
High: Kenny Lala (Strasbourg), Oleg Reabciuk (Paços Ferreira), Sokratis Papastathopoulos (Arsenal)
Low: Pape Abou Cissé (St-Étienne, ceded), Hilal Soudani (Al-Fateh), Bruno (Aris), Pêpê (Famalicão, ceded)
PSV Eindhoven (NED)
Carlos Fernández, new Real forwardIcon Sport via Getty Images
High: none
Low: Jorrit Hendrix (Spartak Moscow)
Rangers (SCO)
High: Jack Simpson (Bournemouth)
Low: Jordan Jones (Sunderland, cedido), Brandon Barker (Oxford, cedido), George Edmundson (Derby, cedido), Glenn Middleton (St Johnstone)
Real Sociedad (ESP)
High: Carlos Fernández (Seville)
Low: Willian José (Wolves, on loan)
Rome (ITA)
Bernardo has arrived in Sazlburg from BrightonGetty Images
High: Bryan Reynolds (FC Dallas), Stephan El Shaarawy (free)
Low: none
Salzburg (AUT)
High: Nico Mantl (Unterhaching), Bernardo (Brighton, loan), Brenden Aaronson (Philadelphia)
Low: Dominik Szoboszlai (Leipzig), Masaya Okugawa (Bielefeld, loan), Daniel Antosch (Horn, loan), Jérôme Onguéné (Genoa, loan), Majeed Ashimeru (Anderlecht, loan)
Shakhtar Donetsk (UKR)
High: none
Low: Viktor Kovalenko (Atalanta), Vladyslav Vakula (Mariupol, cedido)
Slavia de Praga (CZE)
High: Alexander Bah (SonderyskE), Taras Kacharaba (Liberec, cedido), Simon Deli (Brujas, cedido), Jan Stejskal (Mladá Boleslav)
Low: Petar Musa (Union Berlin, cedido), Ondřej Karafiát (Liberec, cedido), Tomáš Malinský (Mladá Boleslav, cedido), Laco Takács (Mladá Boleslav, cedido)
Tottenham (ENG)
Étienne Capoue, new player for Villarreal de EmeryGetty Images
High: none
Low: Paulo Gazzaniga (Elche, loan), Jack Roles (Stevenage, loan), Kazaiah Sterling (Greenock Morton, loan), Harvey White (Portsmouth, loan), Jubril Okedina (Cambridge, loan), Jack Clarke (Stoke, loan), Anthony Georgiou (AEL Limassol), Brandon Austin (Orlando City, loan), Shilow Tracey (Cambridge, loan), Troy Parrott (Ipswich, loan), Jonathan De Bie (Molenbeek)
Villarreal (ESP)
High: Étienne Capoue (Watford)
Low: Soufiane Chakla (Getafe, on loan)
Wolfsberg (AUT)
High: Gustav Henriksson (Elfsborg), Thorsten Röcher (Ingolstadt)
Low: Marc Andre Schmerböck (Hartberg)
Young Boys (SUI)
High: none
Low: Nicolas Bürgy (Paderborn, loan), Léo Seydoux (Westerlo), Taulant Seferi (KF Tirana, loan)
