Question: Who became the general manager of the Los Angeles Lakers in 2017?
Sentence (from "2016–17 Los Angeles Lakers season"): It would also be the season where after multiple opportunities to improve upon themselves came and went, the Lakers decided to replace Jim Buss and Mitch Kupchak with former Lakers legend Magic Johnson and former sports agent Rob Pelinka on February 21, 2017 as both president of basketball operations and general manager respectively.
Relevant evidence: Yes