Riggleman resigned as the Nationals manager in June after he was told the team wouldn't negotiate an extension. He resigned just after the team won its 11th game in its last 12. After resigning from the Nationals, Riggleman served as a scout with the Giants for the rest of the season.
The 59-year-old worked for Reds general manager Walt Jocketty in St. Louis, when he served as the team's minor league field coordinator.
David Bell was the manager of the Reds' Double-A Carolina team last season before being promoted to manager at Triple-A Louisville.For more baseball news, rumors and analysis, follow @eyeonbaseball on Twitter or subscribe to the RSS feed.