Justin Herbert threw for 382 yards and the game-winning touchdown pass Sunday night as the host Los Angeles Chargers (-2.5) blew a big fourth-quarter lead before outlasting the Pittsburgh Steelers (+4) 41–37 in Inglewood, Calif. Herbert’s 53-yard touchdown pass to Mike Williams with 2:09 left erased Pittsburgh’s short-lived lead, which came on Chris Boswell’s 45-yard field goal at the 3:29 mark. Herbert completed 30 of 41 passes with an interception and added a team-high 90 rushing yards on nine carries. Overshadowed by Herbert’s performance was a four-touchdown game by teammate Austin Ekeler, who accounted for 115 yards from scrimmage. He rushed for a pair of scores and caught two touchdown passes. Ben Roethlisberger, who was activated from the COVID-19 list Saturday after missing a 16–16 tie against Detroit last week, connected on 28 of 44 passes for 273 yards and three touchdowns. He threw 5-yard scoring strikes to tight ends …