Photos: Canelo Alvarez workout one month from John Ryder fight

Canelo Alvarez is hard at work for his pay-per-view homecoming fight against John Ryder on May 6 in Guadalajara.

The undisputed 168-pound champion recently allowed photographers to shoot a workout at his U.S. gym in San Diego, shortly before he was set to move his camp to his hometown in Mexico.

Here are images from the workout. All photos by Meg Oliphant of Matchroom Boxing.