Cardinals WR Marvin Harrison Jr. (concussion) returns to practice

(Photo credit: Jeff Hanisch-Imagn Images)
Arizona Cardinals rookie receiver Marvin Harrison Jr. is expected to return to practice Thursday, five days after he was removed from a game against the Green Bay Packers with a concussion.

"Marvin is going through the (concussion) protocol, but you'll see him out there today," Cardinals coach Jonathan Gannon said Thursday.

Harrison, 22, will be a non-contact participant in prac