Dennis Dixon said he felt a sense of déjà vu when he was imitating San Francisco 49ers quarterback Colin Kaepernick as the scout team quarterback while preparing the Baltimore Ravens defense for Super Bowl XLVII. The fast-paced, read-option attack was the kind of offense Dixon had run as a senior at Oregon in 2007, when Chip Kelly was in his first season as the offensive coordinator. And it was one of the reasons Dixon jumped at the chance to reunite with Kelly, who last month became the head coach of the Eagles. Dixon signed his contract Monday and was told that he’ll be in an open competition with returning quarterbacks Michael Vick and Nick Foles. “That week was very interesting,” Dixon said about imitating Kaepernick. “It was something that I was accustomed to in the Oregon days. … It was like getting back on the bike and riding.”