The San Francisco 49ers are widely considered an elite NFL team, and Pro Football Focus' latest unit rankings reflect those high expectations.In Insider pieces, Pro Football Focus ranks the 49ers' offense as the seventh best in the NFL and their defense as the third best defense in the league. On offense , three of the four 49ers' ranked position areas are considered as "high quality," which is the top category in the ranking formula. On defense , two of the four positions get the "high quality" slot.