Mike Thomas plummeting down Jaguars depth chart

It wasn’t so long ago that the Jaguars considered receiver Mike Thomas a rising star. The 2009 fourth-round pick racked up 114 catches for 1,273 yards and five touchdowns during his first two seasons, primarily operating as a slot receiver. Last October, Jags G.M. Gene Smith signed Thomas to a three-year, $18 million contract extension.…