Chargers OLB Chris Rumph will make his first career NFL start on Sunday against the Texans. COSTA MESA – The Chargers list of injuries continues to pile up, and star edge rusher Joey Bosa is among the latest players to be placed on injured reserve. Bosa, a four-time Pro Bowl selection, will undergo surgery to repair his torn groin suffered in the first quarter of Sunday’s 38-10 loss to the Jaguars. Bosa will miss at least four weeks – with the possibility of more – but the team expects him to return at some point later this season. The Chargers…