The Chargers star is huge, can run and has a golden right arm. But he has never quite reached the heights many expected for himJustin Herbert is one of the most promising quarterbacks in the NFL. In fact, Justin Herbert has forever been one of the most promising quarterbacks in the NFL. That adjective, “promising,” continued to be load-bearing on Sunday, as Herbert and his Chargers turned in an underwhelming performance in a 26-14 loss to the Raiders. Los Angeles are now 0-2 on the year, with those losses coming to the team that just picked No 1 in the draft and a moribund Arizona who picked No 3. Stockholders in Herbert’s growth were taking a beating in after-hours trading. But, as ever, there’s plenty of reason to debate whether Herbert underachieved or whether his team let him down.Herbert is 6ft 6in, can run, has a golden right arm and is capable of making astonishing throws. NFL decision-makers view him as roughly the sixth-best QB in the league but also say things like, “He should have more accolades at this point.” Certainly, he should have more wins this season, but on Sunday the 28-year-old found himself outdueled by one of the league’s senior citizens in Vegas quarterback Kirk Cousins, who is 10 years his senior. Herbert completed 15 of 27 passes for a touchdown and two interceptions, and he also took three sacks. Cousins threw a pick and took two sacks but was much more efficient from down to down (8.7 yards per attempt to Herbert’s 7.1), and the Chargers offense mostly sputtered. In 13 possessions, Los Angeles put together two long touchdown drives and otherwise didn’t march more than 30 yards in a series. Continue reading...