Extreme Rules ( 2010 ) was a professional wrestling pay-per-view event produced by World Wrestling Entertainment ( WWE ) and presented by KFC , which took place on April 25 , 2010 , at the 1st Mariner Arena in Baltimore , Maryland .
Extreme Rules ( 2010 ) was a professional wrestling pay-per-view show made by World Wrestling Entertainment . It was held on April 25 , 2010 at the 1st Mariner Arena in Baltimore , Maryland .