They started as a Big Three and grew to a Big Four when Rajon Rondo earned the right to be mentioned along with the other Boston Celtics All-Stars.

At no point, however, did Brandon Bass merit marquee billing in his first season in Boston.

The fifth, newest and least-heralded member of the Celtics' starting lineup, Bass erupted for a career playoff-high 27 points on Monday night, scoring 18 in the third quarter as Boston pulled away from the Philadelphia 76ers to win 101-85 and take a 3-2 lead in the Eastern Conference semifinals.