Madison Bumgarner has submitted an eight-team no-trade list to the San Francisco Giants, according to a report.

Teams are preparing to pursue Bumgarner, who will be a free agent after the season, via trade.

The pitcher's contract allows him to block trades to eight teams. According to sources, his list includes the Atlanta Braves, Boston Red Sox, Chicago Cubs, Houston Astros, Milwaukee Brewers, New York Yankees, Philadelphia Phillies and St. Louis Cardinals.