MLS coaches enjoying an uncommonly cushy existence in 2015

As we hit the final stretch of the MLS regular season, all 20 coaches in the league have kept their jobs. It's a level of job security that raises serious questions.

When considering the most secure jobs in North America, you wouldn't automatically think of coaching professional sports as something that should be on the list. If anything, coaching pro sports is one of the most tenuous professions there is, with pink slips seemingly ready to be dropped at all times.

Not so much in Major League Soccer though. At least not in 2015, a year that has seen all 20 head coaches navigate through two thirds of the season without a single coaching change. Yes, you read that right. Not a single coach in…