Detroit Sports Center Detroit Sports Center Home News > Lions To Interview Jim Caldwell Lions To Interview Jim Caldwell Posted on 1/3/2014 7:11:00 AM Rob Carr/Getty Images The Lions coaching search is heating up. According to ESPN, Detroit will interview Baltimore Ravens offensive coordinator Jim Caldwell today. Caldwell spent three seasons as the Colts’ head coach before joining the Ravens in 2012. Two NFL coaching vacancies have already been filled. The Tampa Bay Buccaneers hired Lovie Smith and the Houston Texans named Bill O’Brien head coach.