A separate RiverHawks franchise then returned to the Frontier League in 2011 and changed the team name to the Aviators in 2013.

[2] The highlight for Rockford was the stellar 2004 Frontier League season with manager Bob Koopmann, winning the West division with a 59-37 (.615) record, advancing to the playoffs where they edged the Windy City Thunderbolts 3-2 in the best of five series to advance to the league championship series.

[3] Rockford would then sweep the Evansville Otters 3-0 to win the Frontier League title.

[8] The league had taken over management of the Aviators franchise late in the 2015 season, and with financial instability, the team disbanded.

[9] Rockford is represented in the Frontier League Hall of Fame by outfielders Stephen Holdren, Jason James and Richard Austin.