The National Football League Players Association (NFLPA) is investigating Chargers quarterback Tyrod Taylor’s pregame pain-killing injection complications, according to the NFLPA’s assistant executive director of external affairs George Atallah.

On Wednesday, Atallah tweeted the NFLPA’s medical and legal team have been in touch with Taylor and his agent since Sunday, gathering facts related to the pregame injection.

The medical team administered a pregame injection to address Taylor’s rib injury but he ended up in a local hospital.

Ian Rapoport, NFL Network Insider, reported Wednesday on NFL Now that Taylor experienced a punctured lung after the team’s medical staff attempted to administer a shot to his ribs.

Taylor was eventually discharged Sunday after he had intended to play against the Chiefs but could not participate due to the complications from the injection, which caused chest pain and breathlessness that required a trip to the hospital.

Chargers coach Anthony Lynn told reporters that Taylor is considered week to week and that he is not currently considering placing him on IR. The coach also announced that Justin Herbert will start a second consecutive game for the Chargers.

Lynn said, “There were complications with his shot. He will not be 100 percent this week, therefore he will not play. Justin Herbert will start at quarterback. I am looking forward to seeing him play with a week of preparation and knowing he is the starter.”

“I am not angry at all (at the doctor),” he added. “It happens. I can’t go into details about it. There was a complication with the shot. No one is perfect. It happens. The doctor, I know is a good man, it was unfortunate.”

Lynn reiterated what he said earlier this week that when Taylor is 100 percent, “he is our guy.”

However, NFL Network’s Steve Wyche reported that Herbert could remain in the starting role for weeks. Wyche added that the recovery from an accidental punctured lung Taylor sustained might not be the long-term health concern.