AS A FRESHMAN IN 2016:
• Did not see any varsity action.
• Played for head coach Gary Kornfeld at St. Louis University High School in St. Louis, Mo.
• Served as team captain during his senior season.
• Named first team All-Conference as a senior, after being a second team selection as a junior.
• Earned first team All-District honors following senior year.
• Selected to the St. Louis Post-Dispatch All-Metro second team in 2015.
• Started 31 consecutive varsity games at tackle.
• Son of Steve and Mary Mattingly.
• Father played football and William Jewell College, and earned All-Conference honors.
• Has two sisters (Caroline and Kate).
• Has not yet declared a major.