But Gingrich strongly suggested otherwise on Friday as polls showed a tight three-way contest in Alabama.
"I think there's a fair chance we'll win," he told The Associated Press about the contests in Alabama and Mississippi. "But I just want to set this to rest once and for all. We're going to Tampa."
Romney had no campaign appearances Saturday. The former Massachusetts governor won six of 10 Super Tuesday states earlier in the week, and hopes for a Southern breakthrough in Alabama on Tuesday after earlier losing South Carolina and Georgia to Gingrich.
Associated Press reporters Stephen Ohlemacher in Washington, Thomas Beaumont in Alabama and Phil Elliott, John Hanna and John Milburn in Kansas, and David Lieb in Missouri contributed to this report.
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