Captain Chaos is back. Jim Harbaugh left Michigan this winter for the Los Angeles Chargers and a shot an elusive Super Bowl victory. Upon his arrival — via his family RV, apparently — he’ll bring three things with him: toughness, chewing tobacco and unpredictability. Harbaugh’s first NFL Draft alongside new GM Joe Hortiz will set the foundation for what they hope will be a championship run. And they’re in a pretty great spot. Below, The Athletic’s Chargers beat writer Daniel Popper and draft analyst Nick Baumgardner dive into some of those possibilities. Four three-round draft scenarios for the Chargers, in Harbaugh’s first draft since 2014 …