Rams take Oregon State QB Sean Mannion in Round Three

The remaking of the Rams’ QB depth chart continues. First, they added a new starter (Nick Foles) in a March trade with Philadelphia. Now, they have added a rookie to the mix, taking Oregon State’s Sean Mannion in Round Three (No. 89 overall). The 6-foot-6, 229-pound Mannion is likely to compete with Austin Davis for…