INGLEWOOD, Calif.—Austin Ekeler scored three touchdowns, including a 3-yard score with 1:31 remaining, as the Los Angeles Chargers defeated the Cleveland Browns 47-42 in a wild shootout Sunday. Justin Herbert had his record 11th 300-yard game with 398 yards passing and tied a career-high with four touchdowns. Mike Williams had 165 receiving yards and caught two TD passes for the Chargers, off to their first 4-1 start since 2014. The game saw one tie and eight lead changes, including four lead changes in the final 15 minutes when the teams combined for 41 points. Ekeler finished with 119 scrimmage yards (66 rushing, 53 receiving). Los Angeles, under first-year coach Brandon Staley, has won three straight and leads the AFC West after losses by Denver and Las Vegas. Herbert has the most 300-yard games by any quarterback in their first two years in the league. Browns running back Nick Chubb rushed …