MLS rules explained: Closure of transfer window doesn't mean TFC can't make moves

In a continuing series at TFC Republic, we'll look at some of Major League Soccer's more arcane roster rules and break them down by using real-life examples so that they are easily understandable.

In this week's edition: We explain how and why Toronto FC and other MLS clubs can still make roster moves even though the league's secondary transfer window closed this week.