Fuller filed to run just hours before the qualifying deadline passed.
According to the most recent filings, Rogers' campaign is more than half way to its goal of raising $2 million.
A native of LaFayette, Ala., Fuller served as Alabama commission of human resources in Democrat Gov. Don Siegelman's administration. A five-term member of the Alabama House, Fuller chaired both the Ways and Means and Judiciary Committees.
Alabama's 3rd Congressional District is considered a swing district. Rogers was first elected in 2002, winning with over 91,000 votes out of more than 181,000 cast. George W. Bush carried the district in the 2000 presidential race, winning 52 percent of the vote to former Vice President Al Gore's 47 percent.
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