Spadea won the first ATP title of his career earlier this month.
He was the first man from Kazakhstan to ever win an ATP title.
Federer had been seeking the first ATP title of his career.
Mezzadri turned professional in 1983, and won his only ATP title four years later.
His three ATP titles so far were all won on clay.
Agassi, who won $320,000, is the third player to win consecutive ATP titles.
He earned a total of 14 doubles ATP titles.
Brown had his best year yet in 2012, reaching three doubles finals and winning a second ATP title.
He started on tour as a doubles specialist, winning 12 ATP titles.
He never won an ATP title, but he reached two finals.