By Chris Rosvoglou There has been a lot of talk about several marquee quarterbacks being traded this offseason. Nothing is imminent at this time, but it’s evident that Raiders quarterback Derek Carr is a popular name this year. According to Vincent Bonsignore of the Las Vegas Review-Journal, multiple teams have expressed interest in Carr. “As teams continue to look for QB’s, multiple teams have expressed interest in Raiders QB Derek Carr. Not a surprise at all, it’s that time of year. Expect the interest to continue to heat up as long as Carr’s contract situation remains as is. Carr is enterin…