They were also charged with the attempted murder of two other men at the time that Bradley was killed.
Bradley was stabbed in Park Croft, Batley, at around 10.28pm on Sunday (June 21) and, despite being rushed to hospital, sadly died from his injuries.
DCI Vanessa Rolfe of the Homicide and Major Enquiry Team, who is leading the enquiry, said: "Our investigation in Bradley's murder remains ongoing and I continue to urge anyone who has information who we have not spoken with to come forwards.
"There are a number of ways to contact the force and our new online Major Incident Public Portal allows those who contact us to upload CCTV clips or any images they may have which could assist enquires."
Anyone with information about this investigation is asked to contact police on 101 referencing police crime number 1320031042, or anonymously via Crimestoppers on 0800 555 111.