AFP Sports Agenda for Wednesday, October 21 (all times GMT): Twitter: @AFP_Sport Instagram: @afpsport + Holders Bayern start Champions League title defence + Liverpool visit Ajax in first game without Van Dijk + Tough mountain stage on Giro d'Italia + Kohli's RCB face Kolkata in IPL FOOTBALL -- Holders Bayern Munich take on Atletico Madrid at the Allianz Arena in their Champions League Group A opener (1900). Coverage by Ryland James. Picture (FBL-EUR-C1-GER-ESP-BAYERN-ATLETICO) -- Six-time winners Liverpool visit Ajax in their first match without the injured Virgil van Dijk in Group D (1900). Picture (FBL-EUR-C1-NED-ENG-AJAX-LIVERPOOL) -- In Group B, Real Madrid take on Shakhtar Donetsk (1655). Coverage by Tom Allnutt. Picture (FBL-EUR-C1-ESP-UKR-REALMADRID-SHAKHTAR) and Inter Milan host Borussia Moenchengladbach (1900). Coverage by Emmeline Moore. Picture (FBL-EUR-C1-ITA-GER-INTER-GLADBACH) -- Other UEFA Champions League games: Group A: Salzburg (AUT) v Lokomotiv Moscow (RUS) (1655), Group C: Manchester City (ENG) v Porto (POR) (1900), Olympiakos (GRE) v Marseille (FRA) (1900), Group D: Midtjylland (DEN) v Atalanta (ITA) (1900). Overall coverage by Andy Scott. Picture (FBL-EUR-C1) -- English Championship: Cardiff v Bournemouth, QPR v Preston, Sheffield Wednesday v Brentford, Stoke v Barnsley, Watford v Blackburn (all 1845) (FBL-ENG) CYCLING -- Portugal's Joao Almeida takes a 17-second lead into the mountainous 17th stage of the Giro d'Italia, a 203km ride from Bassano del Grappa to Madonna di Campiglio. Picture (CYCLING-ITA-GIRO) -- Primoz Roglic wears the overall leader's red jersey in the second stage of the Vuelta a Espana, a 151.6km route from Pamplona to Lekunberri. Picture (CYCLING-ESP-VUELTA) CRICKET -- Indian Premier League: Kolkata Knight Riders v Royal Challengers Bangalore (1400). Picture (CRICKET-IPL-UAE) TENNIS -- Home favourite Alexander Zverev is the top seed for the ATP tournament in Cologne (TENNIS-ATP-GER) -- Elina Svitolina and Karolina Pliskova are in action at the WTA event in Ostrava (TENNIS-WTA-CZE) -- Also, ATP event in Antwerp (TENNIS-ATP-BEL) BASEBALL -- The LA Dodgers take on the Tampa Bay Rays in the second game of the MLB's World Series in Arlington, Texas (0008 Thursday). Picture (BASEBALL-MLB) afp