By Matt Audilet The Jacksonville Jaguars are still on the hunt for their next head coach — but the search has reportedly been narrowed down to three options. According to NFL insider Jeff Howe of The Athletic, Buccaneers offensive coordinator Byron Leftwich, Colts defensive coordinator Matt Eberflus and Packers OC Nathaniel Hackett are all candidates still in the running for the job. The Jags were reportedly “impressed” by Leftwich’s second interview on Tuesday, but the team has yet to make an offer to any of these candidates. ESPN NFL insider Adam Schefter reported similar information earlier…