Peko reports to Bills while wife battles Hodgkin's lymphoma

Buffalo Bills defensive tackle Kyle Peko speaks with reporters after practice at the NFL football team's training camp in Pittsford, N.Y., Friday, July 26, 2019. (AP Photo/Adrian Kraus)

Buffalo Bills defensive tackle Kyle Peko waits for the start of practice at the NFL football team's training camp in Pittsford, N.Y., Friday, July 26, 2019. (AP Photo/Adrian Kraus)

Buffalo Bills defensive tackle Kyle Peko runs a drill during practice at the NFL football team's training camp in Pittsford, N.Y., Friday, July 26, 2019. (AP Photo/Adrian Kraus)