NBA quarter-mark grades: Celtics, Suns, Bucks among top marks; Nets, Lakers underwhelm; one team gets 'A+' | CBS Sports Headlines NBA quarter-mark grades: Celtics, Suns, Bucks among top marks; Nets, Lakers underwhelm; one team gets 'A+' Every team recently played its 20th game of the season, so let’s hand out … Continue reading NBA quarter-mark grades: Celtics, Suns, Bucks among top marks; Nets, Lakers underwhelm; one team gets 'A+'