By Andrew Brandt Brett Favre’s drawn-out departure from the Packers provides a few clues that his successor will part ways with the franchise this offseason. Before getting to my insights into the future of one future Hall of Fame quarterback, a few words—among the hundreds of thousands written and spoken about him in the past day—about the retirement of Tom Brady. Brady’s retirement seemed to be coming after the Bucs lost last week, with comments from Brady revolving around family and the realization of years going by without dedicated time with them. I can certainly relate to that, as someon…