The No. 4-seeded Los Angeles Lakers are looking to knock the No. 5-seeded Houston Rockets out of the NBA Playoffs on April 29, as the Lakers have a 3-1 lead and are hosting Houston at Crypto Arena. If LeBron James is going to win another championship ring before he retires , he'll likely need the Lakers' two other stars healthy and playing alongside him. These two stars are Luka Doncic and Austin Reaves, both of whom haven't been able to compete for the first four games of this series. Los Angeles Lakers guard Luka Doncic (77) and guard Austin Reaves (15) | Jayne Kamin-Oncea-Imagn Images Doncic has been sidelined since early April with a hamstring injury, and the hope is that he'll be ready for the start of the second round if the Lakers advance. Reaves had been out for the past four weeks with an oblique injury. There was some optimism that he'd be ready for the start of this Houston series, but the Lakers decided to exercise caution.…