By Alek Arend Following another blowout playoff loss to the Golden State Warriors, Nuggets fans are now starting to take their frustrations out on Jamal Murray. Murray hasn’t played in an NBA game since Apr. 12 of the 2021 season. He’s been rehabbing after tearing the ACL in his left knee. However, doctors have cleared Murray to return and play. He’s only participated in pregame warmups, though. Nuggets fans have become frustrated with the former Kentucky star, considering the team could use him now more than ever. It doesn’t sound like Murray is confident he can be an effective basketball pla…