Chargers take offensive lineman Zion Johnson in first round

FILE - Boston College offensive lineman Zion Johnson runs a drill during the NFL football scouting combine, Friday, March 4, 2022, in Indianapolis. The Dallas Cowboys could be looking at their offensive line with their first pick in the NFL draft at No. 24. (AP Photo/Darron Cummings, File)

Boston College offensive lineman Zion Johnson speaks during a press conference at the NFL football scouting combine in Indianapolis, Thursday, March 3, 2022. (AP Photo/Michael Conroy)

Boston College offensive lineman Zion Johnson stands with NFL Commissioner Roger Goodell after being chosen by the Los Angeles Chargers with the 17th pick of the NFL football draft Thursday, April 28, 2022, in Las Vegas. (AP Photo/John Locher)

Boston College offensive lineman Zion Johnson poses for photos before the first round of the NFL football draft Thursday, April 28, 2022, in Las Vegas. (AP Photo/Jae C. Hong )

Boston College offensive lineman Zion Johnson puts on a hat after being chosen by the Los Angeles Chargers with the 17th pick of the NFL football draft Thursday, April 28, 2022, in Las Vegas. (AP Photo/John Locher)

Boston College offensive lineman Zion Johnson shakes hands with fans after being chosen by the Los Angeles Chargers with the 17th pick of the NFL football draft Thursday, April 28, 2022, in Las Vegas. (AP Photo/Jae C. Hong)