I've compiled a list of the Top 100 Defensive Players, including players who primarily played in the positions - Goalkeeper, Central Defender, Lateral Defender, and Defensive Midfielder. Comments and Discussions are welcome.
Franz Beckenbauer (FC Bayern Munich, West Germany)
Paolo Maldini (A.C. Milan, Italy)
Frank Rijkaard (AFC Ajax, Netherlands)
Lev Yashin (FC Dynamo Moscow, Soviet Union)
Franco Baresi (A.C. Milan, Italy)
Daniel Passarella (Club Atlético River Plate, Argentina)
Giacinto Facchetti (Inter Milan, Italy)
Luis Monti (Juventus F.C., Argentina)
Gaetano Scirea (Juventus F.C., Italy)
Gianluigi Buffon (Juventus F.C., Italy)
Berti Vogts (Borussia Mönchengladbach, West Germany)
Bobby Moore (West Ham United F.C., England)
Manuel Neuer (FC Bayern Munich, Germany)
Elías Figueroa (Sport Club Internacional, Chile)
Ruud Krol (AFC Ajax, Netherlands)
Marco Tardelli (Juventus F.C., Italy)
Nílton Santos (Botafogo de Futebol e Regatas, Brazil)
Alessandro Nesta (A.C. Milan, Italy)
Fernando Redondo (Real Madrid CF, Argentina)
Héctor Chumpitaz (Club Universitario de Deportes, Peru)
Paul Breitner (FC Bayern Munich, West Germany)
Ronald Koeman (FC Barcelona, Netherlands)
Danny Blanchflower (Tottenham Hotspur F.C., Northern Ireland)
Dino Zoff (Juventus F.C., Italy)
José Leandro Andrade (Club Nacional de Football, Uruguay)
José Nasazzi (C.A. Bella Vista, Uruguay)
Lilian Thuram (Parma Calcio 1913, France)
Sergio Ramos (Real Madrid CF, Spain)
Obdulio Varela (Peñarol, Uruguay)
Gordon Banks (Leicester City F.C., England)
Roberto Carlos (Real Madrid CF, Brazil)
Matthias Sammer (Borussia Dortmund, Germany)
Igor Netto (FC Spartak Moscow, Soviet Union)
Léo Júnior (Clube de Regatas do Flamengo, Brazil)
Patrick Vieira (Arsenal F.C., France)
Domingos da Guia (Clube de Regatas do Flamengo, Brazil)
Oliver Kahn (FC Bayern Munich, Germany)
Jürgen Kohler (Borussia Dortmund, Germany)
Antonio Cabrini (Juventus F.C., Italy)
Giuseppe Bergomi (Inter Milan, Italy)
Karl-Heinz Schnellinger (A.C. Milan, West Germany)
Billy Bremner (Leeds United F.C., Scotland)
Ricardo Zamora (Real Madrid CF, Spain)
Carlos Alberto Torres (Santos FC, Brazil)
Fabio Cannavaro (Parma Calcio 1913, Italy)
Dani Alves (FC Barcelona, Brazil)
Peter Schmeichel (Manchester United F.C., Denmark)
José Santamaría (Real Madrid CF, Uruguay)
Andreas Brehme (1. FC Kaiserslautern, Germany)
Sergio Busquets (FC Barcelona, Spain)
Djalma Santos (Sociedade Esportiva Palmeiras, Brazil)
Fernando Hierro (Real Madrid CF, Spain)
Javier Zanetti (Inter Milan, Argentina)
Néstor Rossi (Club Atlético River Plate, Argentina)
Peter Shilton (Leicester City F.C., England)
Cafu (A.S. Roma, Brazil)
Karlheinz Förster (VfB Stuttgart, West Germany)
Karel Pešek (AC Sparta Prague, Czechoslovakia)
Billy Wright (Wolverhampton Wanderers F.C., England)
Claudio Gentile (Juventus F.C., Italy)
Xabi Alonso (Real Madrid CF, Spain)
Alan Hansen (Liverpool F.C., Scotland)
Hans-Peter Briegel (1. FC Kaiserslautern, West Germany)
Ubaldo Fillol (Club Atlético River Plate, Argentina)
Marcel Desailly (Chelsea F.C., France)
Philipp Lahm (FC Bayern Munich, Germany)
Roy Keane (Manchester United F.C., Republic of Ireland)
Carles Puyol (FC Barcelona, Spain)
Danilo Alvim (CR Vasco da Gama, Brazil)
Manuel Amoros (AS Monaco FC, France)
Rinat Dasayev (FC Spartak Moscow, Soviet Union)
Toninho Cerezo (U.C. Sampdoria, Brazil)
Víctor Rodríguez Andrade (Peñarol, Uruguay)
Silvio Marzolini (Boca Juniors, Argentina)
Ciro Ferrara (Juventus F.C., Italy)
Paul Janes (Fortuna Düsseldorf, Germany)
Sepp Maier (FC Bayern Munich, West Germany)
Graeme Souness (Liverpool F.C., Scotland)
Virgil van Dijk (Liverpool F.C., Netherlands)
Manfred Kaltz (Hamburger SV, West Germany)
Laurent Blanc (AS Saint-Étienne, France)
Josef Smistik (SK Rapid Wien, Austria)
Albert Shesternyov (PFC CSKA Moscow, Soviet Union)
Edwin van der Sar (AFC Ajax, Netherlands)
Velibor Vasović (AFC Ajax, Yugoslavia)
Juan Evaristo (Sportivo Palermo, Argentina)
N'Golo Kanté (Chelsea F.C., France)
Diego Godín (Atlético Madrid, Uruguay)
Dave Mackay (Tottenham Hotspur F.C., Scotland)
Branko Zebec (FK Partizan, Yugoslavia)
Thibaut Courtois (Real Madrid CF, Belgium)
Alessandro Costacurta (A.C. Milan, Italy)
Fritz Tarp (Boldklubben af 1893, Denmark)
Zito (Santos FC, Brazil)
Willi Schulz (Hamburger SV, West Germany)
José Antonio Camacho (Real Madrid CF, Spain)
Ladislao Mazurkiewicz (Peñarol, Uruguay)
Pietro Vierchowod (U.C. Sampdoria, Italy)
Valery Voronin (FC Torpedo Moscow, Soviet Union)
Iker Casillas (Real Madrid CF, Spain)