- Cardinals rookie WR Harrison suffers concussion ESPN
- Marvin Harrison Jr. collapses on field, ruled out after hit to head in Cardinals-Packers game Yahoo Sports
- Marvin Harrison Jr. Out for Cardinals vs. Packers with Concussion Bleacher Report
- Marvin Harrison Jr. injury update: Cardinals WR exits game with concussion vs. Packers USA TODAY
- Marvin Harrison Jr. out with concussion NBC Sports