Matt Waldman’s RSP NFL Lens examines a play from Atlanta RB Ito Smith’s preseason portfolio—a blitz pickup against a Miami Dolphins linebacker.  The Atlanta Falcons have transitioned from the Devonta Freeman-Tevin Coleman plan that was Kyle Shanahan’s offense (and maintained by Shanahan’s replacement, Steve Sarkisian) to Dirk Koetter’s offense. Although Koetter has had seasons as…