Here’s a summary of all the transfer listed players per club, ranked in order of most to least.
Total: 117 players
12 players
1. Rubin Kazan (Rui, Gervinho, Claesson, Junuzovic, Guilbert, Rogic, Baba, Kempf, Limbombe, Stepinski, Poulsen, Serrano)
8 players
2. Dnipro Dnipropetrovsk (Sakho, Benkovic, Ganvoula, Di Gregorio, Domgjoni, Michelin, Sidler,Kaufmann)
- Independiente (Boetius, Ait Benasser, Akhmetov, Wesley, Fernando, Van Hecke, Van Kaam, Thomas)
- VfL Wolfsburg (Borja, Valbuena, Welbeck, Aguirre, Strefezza, Song, Botic, Nishikawa)
7 players
5. Fenerbahce SK (Escudero, Cheryshev, Thomas, Jahanbakhsh, Valencia, Ferri, Kakuta)
6 players
6. Besiktas JK (Escalante, Zeneli, Alioski, Kilinc, Mukhtar, Bobichon)
5 players
7. Internazionale (Zuculini, Brenet, Zesiger, Sakala, Tripaldelli)
- Shakhtar Donetsk (Tomkins, Kownacki, Fernandez, Smith, Sidibe)
- SL Benfica (Llorente, Meite, Lopez, Souttar, Santos)
4 players
10. Aston Villa (Melendo, Ignatyev, Kelleher, Pichler)
3 players
11. Boca Juniors (Buffarini, Herrera, Alvarez)
- Chievo Verona (Ryan, Seferovic, Lejuene)
- West Bromwich Albion (Nelson, Traore, Ferreira)
2 players
14. ACF Fiorentina (Nikolaou, Edmonds-Green)
- Ajax (Muslera, Johnston)
- Borussia Monchengladbach (Sinayoko, Ndrecka)
- Crystal Palace (Barreca, Ferrer)
- Dinamo Zagreb (Hradecky, Malcuit)
- FC Twente (Ie, Pereyra)
- Galatasaray SK (Wu, Dessers)
- Hertha BSC (Jaloliddinov, Ngankam)
- Liverpool (Luvombo, Ziger)
- Sampdoria (Perez, McGregor)
- SSC Napoli (Krunic, Maolida)
1 player
25. AC Milan (Lloris)
- AS Roma (Van de Beek)
- Cruzeiro (Riccieli)
- FK Partizan (Copic)
- Lokomotiv Moskva (Paradela)
- Manchester United (Ferro)
- Olympiacos (Angel)
- Paris Saint-Germain (Vitinho)
- PSV (Carvalho)
- RCD Espanyol (Muleka)
- Santos FC (Guardado)
- Southampton (Koyalipou)
- Sporting CP (Nubel)
- Sunderland (Fulgini)
- Torino (Lanzini)
- TSG 1899 Hoffenheim (Mane)
- West Ham United (Elabdellaoui)
- Zenit St Petersburg (Gomez Mancini)
0 players
43-100. The Rest.