Complex sentence: In spite of these glaring problems, the NFL issued harsh penalties to the New England Patriots as a result of his report, but because of the lack of credibility in the report, these punishments are being appealed and could be overturned.
Split into simpler sentences: In spite of these glaring problems, the NFL issued harsh penalties to the New England Patriots as a result of his report. Because of the lack of credibility in the report, however, these punishments are being appealed and could be overturned.