Atletico de Kolkata

Marquee player: Spaniard Luis Garcia, who has come out of retirement to play for Atletico de Kolkata. The winger has played for clubs like Atletico Madrid, Barcelona and Liverpool, with whom he won the Champions League in 2005. Has also scored four goals for Spain.
Squad: Subhashish Roy Chowdhry, Apoula Edel, Basillo Agudo (goalkeepers); Arnab Mondal, Biswajit Saha, Denzil Franco, Kingshuk Debnath, Nallappan Mohanraj, Josemi, Sylvian Monsoreau (defenders); Luis Garcia, Borja, Jofre Mateu, Climax Lawrence, Lester Fernandez, Sanju Pradhan, Rakesh Masih, Cavin Lobo, Ofentse Nato, Mamunul Islam, Jakub Podany (midfielders); Fikru Teferra, Baljit Sahni, Mohammed Rafi, Mohammed Rafique, Arnal Libert (forwards).
Coach: Antonio Lopez Habas, who has managed in Spain, Thailand and South Africa.
Owners: Ex-India cricket captain Sourav Ganguly, Harshavardhan Neotia, Sanjiv Goenka, Utsav Parekh.
Foreign club link: Reigning Spanish champions Atletico Madrid have a stake in the club.

Chennaiyin FC

Marquee player: Former Manchester City and Galatasaray midfielder Elano. At 33, he is the youngest marquee player in the ISL.
Squad: Abhijit Mondal, Gennaro Bracigliano, Shilton Paul (goalkeepers); Abhishek Das, Barnard Mendy, Dhanachandra Singh, Gouramangi Singh, Jairo Andres Suarez Carvajal, Khelemba Singh Meetei, Marco Materazzi, Mikael Silvestre (defenders); Anthony Barbosa, Bojan Djordjic, Bruno Augusto Pelissari de Lima, Cristian Hidalgo Gonzalez, Dane Pereira, Denson Devadas, Harmanjot Khabra, Jaison Vales, NP Pradeep, Pierre Jonas Folke Tillman, Sukhwinder Singh (midfielders); Balwant Singh, Eduardo Silva Lerma, Jayesh Rane, Jeje Lalpekhlua, John Stiven Mendoza Valencia (forwards).
Coach: Marco Materazzi, who will be a player-cum-manager. This is Materazzi's first coaching assignment.
Owners: Actor Abhishek Bachchan, India cricket captain MS Dhoni and Vita Dani.
Foreign club link: The club reportedly has a technical tie-up with Italian giants Inter Milan.