Complex sentence: The Los Angeles Dodgers operated a AAA affiliate, the Omaha Dodgers in 1961-62 and the Kansas City Royals brought Triple-A baseball back to Omaha in 1969 with the Omaha Royals, who have operated continuously ever since.
Split into simpler sentences: The Los Angeles Dodgers operated a AAA affiliate, the Omaha Dodgers, in 1961-62. After six seasons a professional team, the Kansas City Royals brought Triple-A baseball back to Omaha in 1969 with the Omaha Royals, who have operated continuously ever since.