Hogan appeared in every game for the Bills last season, primarily in a special teams capacity. The Monmouth University product did however, record 10 catches for 83 yards.
McClain joined the Bills 53-man roster in October 2013 after spending the 2013 season on the Ravens practice squad.
Summers appeared in 15 games for Buffalo in 2013, including 9 starts. He tallied 12 carries for 46 yards. Summers was originally a fifth-round draft pick of the Pittsburgh Steelers in 2009, signing with Buffalo during training camp last season.