Jack Lua is a 6'5", 240-pound tight end from Eastvale, California, who attended Eleanor Roosevelt High School in Riverside. During his prep career, he lined up at both tight end and defensive end, recording 38 receptions for 485 yards and two receiving touchdowns across two seasons, averaging 12.8 yards per reception. Lua redshirted during his 2025 freshman season with San Diego State, appearing in no games. He returns for the 2026 season as a redshirt freshman.