Lockdown 2010 Lockdown 2010 was a professional wrestling pay - per - view ( PPV ) event produced by the Total Nonstop Action Wrestling ( TNA ) promotion , which took place on April 18 , 2010 at the Family Arena in Saint Charles , Missouri . It was the sixth event under the Lockdown chronology and the fourth event of the 2010 TNA PPV schedule . In the tradition of Lockdown events , every match took place inside a steel cage . And the first lockdown event with a four sided steel cage . Production . Background . The sixth installment to the Lockdown PPV chronology was first announced in a press release on January 16 , 2010 regarding the February Against All Odds PPV event . The date and area of the event was not announced until February 4 , 2010 , when another press release proclaimed that it would take place on April 18 , 2010 at the Family Arena in Saint Charles , Missouri . A tradition of the series is that all encounters take place inside a steel cage which will be continued . On January 17 , 2010 at their Genesis PPV event , TNA discontinued the usage of their normal six sided ring , with a four sided ring being chosen instead . It was the first Lockdown to feature the traditional four - sided cage . Storylines . Lockdown featured 9 professional wrestling matches that involved different wrestlers from pre - existing scripted feuds and storylines . Wrestlers will be portrayed as villains , heroes or less distinguishable characters in the scripted events that build tension and culminate into a wrestling match or series of matches . The headline match for the Lockdown event featured the TNA World Heavyweight Champion A . J . Styles defending his title against D ' Angelo Dinero , who , at Against All Odds , won the opportunity to challenge for the title . At the beginning of the show it was announced that X Division Champion Douglas Williams was unable to get to St Louis due to the massive flight cancellations worldwide and was therefore stripped of the title . The Motor City Machineguns ' match with Brian Kendrick and Homicide was changed to a four - man Xscape match , in which the winner would replace Williams in the X Division Title Match . Homicide was victorious , but was unable to capture the gold . It was also announced that Syxx - Pac had no - showed the event and would not compete in his scheduled match teaming with Scott Hall to take on Team 3D . Later in the night it was announced that Hall needed to find a partner , or go into a handicap match against Team 3D . At the conclusion of Kevin Nash ' s match he announced he would replace Syxx - Pac as Hall ' s tag partner . Aftermath . The night after Lockdown , Rob Van Dam defeated AJ Styles to win the TNA World Heavyweight Championship . A rematch would take place at Sacrifice , with Van Dam defeating Styles to retain the title . After her villainous turn at Lockdown , the evil Tara teamed up with the babyface duo of Sarita and Taylor Wilde in a losing effort against The Beautiful People in a match for all of the Knockouts championships . Tara later challenged Madison Rayne to a Title vs Career match at Sacrifice , which Rayne won to retain the title and end Tara ' s career . However , Tara would return at Victory Road and align with Rayne .