The Houston Texans signed veteran free-agent defensive end Mario Addison to an undisclosed deal on Monday, according to a league source. Addison played for defensive line coach Jacques Cesaire with the Buffalo Bills and also recently visited with the Seattle Seahawks. The 34-year-old spent the last two years in Buffalo, racking up 41 solo tackles, 15 tackles for loss, 15 QB hits, 12 sacks, four passes defensed and two forced fumbles in 32 games (seven starts). Before that, Addison spent seven ...