Hard to find issue with a cheap 1 yr deal for a historically 2 WAR pitcher.
With a 1 year deal, the scenarios are:
Ray is good, Jays are good = profit
Ray is good, Jays are bad = Ray traded at deadline
Ray is bad, Jays are good = a little less profit
Ray is bad, Jays are bad = f*** off Ray
Only 1 bad scenario out of 4.