John Tresvant
F · 4 seasons · 1964-65 – 1972-73
John Tresvant was worth +0.0 in free-throw percentage alone, more than his entire career total of -6.9 once everything else is counted against him. His best year was 1966-67: -0.6 roto value, 61st that season and 11591st of 24,555 player-seasons on record. He banked roto value in free-throw percentage (+0.0) and gave it back in assists (-2.7), points (-2.7) and rebounds (-1.3). He rates 503 places better per game than on totals, and that gap is the durability story in one number.