Radwanska beats Sharapova to win Miami title

Poland's Agnieszka Radwanska defeated Maria Sharapova of Russia 7-5 6-4 to win the Sony Ericsson Open final on Saturday.

Agnieszka Radwanska of Poland returns a shot to Maria Sharapova of Russia during their women's singles match at the Sony Ericsson Open tennis tournament in Key Biscayne

Poland's Agnieszka Radwanska defeated Maria Sharapova of Russia 7-5 6-4 to win the Sony Ericsson Open final in Florida on Saturday.

Sharapova has now lost four finals in the Miami tournament while Radwanska's victory was her second of the year following her triumph in Dubai.