The Houston Texans are expected to hire Matt Burke as their defensive coordinator, NFL Network reported Friday.Burke, who interviewed with the Texans this week, most recently worked as the defensive line coach of the Arizona Cardinals.Burke, 46, would represent the first big hire for DeMeco Ryans, who was named the Texans head coach on Jan. 31. Ryans, 38, spent the past two seasons as the 49ers’ defensive coordinator.