By Michael Fabiano A number of talented receivers are available in free agency and their landing spots could shift their fantasy value. The start of the NFL free agent period begins on Wednesday, March 16, so we’ll soon start to see changes to rosters, depth charts and, of course, fantasy football values. With that in mind, I’ll be covering all four of the major fantasy positions and list the top available players, including their best fantasy fits. I started things off with quarterbacks and running backs, so now let’s move on to the deepest position in terms of free agents, the wide receivers…