LaRussa was a cutting edge manager, consistently ahead of his peers when it came down to use of statistical analysis. In addition, he was always open to different methods of lineup construction and bullpen usage- far before anyone else was. He caught a lot of hell from the old school throughout his career, but a lot of what he first tested became the norm. He speaks Spanish, and was always known as a players' manager.
He is a Hall of Fame manager with 3 World Championships behind him, one 9 years ago.
Hinch won one World Series by cheating.
If, and this is a big if, LaRussa is still physically and mentally sound, and if he is still open to and in love with stats as he was when he started, the Sox could do a lot worse.. The combination of him and Jirschele in the dugout for the next couple of years, with Jirschele taking over after learning from LaRussa could leave the Sox set for a decade or more.