Cardinals OC Drew Petzing: Rookie WR Marvin Harrison Jr. will earn his role, 'like everyone else'
The Arizona Cardinals took the first non-quarterback in last week’s draft, snagging Ohio State’s Marvin Harrison Jr. at No. 4 overall to help bring playmaking to a wide receiver corps lacking an alpha. Harrison walks into the WR room as the clear No. 1, but that doesn’t mean the Cards’ brass won’t make the rookie…