Complex sentence: The two "Buc Vision" Daktronics video displays were among the largest in the league when they were built and in 2016 they were replaced with a 9,600-square foot, high-definition video board in both end zones.
Split into simpler sentences: The two "Buc Vision" Daktronics video displays were among the largest in the league when they were built. In 2016 they were replaced with 9,600-square foot, high-definition video boards in both end zones.