 On August 9, 2015, the Tampa Bay Buccaneers signed David to a five-year, $50.25 million contract extension with $25.55 million guaranteed.Head coach Lovie Smith named David and Danny Lansanah the starting outside linebackers to begin the 2015 season, along with rookie middle linebacker Kwon Alexander.On September 27, 2015, David collected a season-high 15 combined tackles (three solo) during a 19–9 loss at the Houston Texans.