What a difference an offseason can make. Arizona Cardinals receiver Marvin Harrison spoke with the media on Monday and his body transformation was stunning to see — he didn’t even look like the same ...

A bulked-up Marvin Harrison Jr. is looking to take a big step forward in his second season, like another Cardinals receiver ...

Marvin Harrison Jr. had a productive debut season with the Arizona Cardinals for several reasons, including elite athleticism ...

Young athletes are lifting weights and taking over-the-counter dietary supplements in an attempt to gain size and power. How ...