Complex sentence: Pepper Rodgers was known around the football world as a likeable man, however, he often made uncomplimentary remarks about the Canadian Football League, which also showed signs that the CFL expansion plan to the United States was doomed to failure from the start.
Split into simpler sentences: Pepper Rodgers was known around the football world as a likeable man. However, he often made uncomplimentary remarks about the Canadian Football League, which also showed signs that the CFL expansion plan to the United States was doomed to failure from the start.