Editor's note: The Chronicle is reviewing the season of each player after the Warriors' second straight championship run. Kevon Looney's emergence as a reliable rotation player was one of the more surprising developments in a Warriors season loaded with story lines. Last July, Looney's career was seemingly on life support. Now, after playing a key role in Golden State's championship run, he figures to be a sought-after free agent. At 22 with an ability to guard all five positions, Looney is the type of young, small-ball center prized in the modern NBA.