Complex sentence: At Red Mountain High School in Mesa, Arizona, Brian Jennings lettered in football, basketball, and track.In football, as a senior, he was the team captain, and he was an All-Region honorable mention as a tight end.
Split into simpler sentences: At Red Mountain High School in Mesa, Arizona, Brian Jennings lettered in football, basketball, and track. As a senior, he was the team captain of the football team and was an All-Region honorable mention as a tight end.