"José Calderón appears on some 50–40–90 club lists for his 52–43–91 shooting during the 2007–08 season. However, that season he only made 109 free throws (16 short of the NBA league minimum required to be considered a leader in this category)."
However you might've been thinking of Russell Westbrook because he tends to take a lot of bad shots sometimes, however he did have some improvement on his shot selection last year.
The last ones I remembered were Nowitzki and after some racking my brain Reggie Miller.
Nash owned this category until Durant did it with such tremendous volume. To go 50-40-90 taking that many shots is just insane.