For the linebackers having to step up, starting with the Colts running back is a baptism by fire. In this weekly Opponent Scout series, I’ll break down the Kansas City Chiefs’ upcoming opponent by examining their strengths, weaknesses and tendencies — and how those things affect the matchup. In Week 3, the Chiefs are hitting the road to take on the Indianapolis Colts. Here’s what you need to know about Kansas City’s latest opponent: Overview The Colts are in the fifth season of head coach Frank Reich, who is working with his fifth-different starting quarterback in veteran Matt Ryan. Indianapolis…