In six professional seasons, Smith has played in all 16 games in just two of those years. Perhaps he will serve as the barometer for how well the Ravens' offseason program works, though the list of those affected is much, much longer. After going a combined 5-7 in their final four games of the season over the last three years, health is paramount for the Ravens, who have spent much of the last two seasons wondering "what if?" instead of seeing the results of GM Ozzie Newsome's roster construction.