Ray Allen, one of the greatest shooters in NBA history, is considering making a comeback, according to league sources. Allen's representatives recently reached out to the Golden State Warriors and  Cleveland Cavaliers, sources told ESPN, about the possibility of Allen joining the two conference champions. The Warriors are unsure whether they want to pursue the future Hall of Famer, sources said. Allen's contact with the Cavs was first reported by Cleveland.com. Allen, who will turn 41 on July 20, is also not absolutely sure he wants to return after sitting out the past two seasons. But he is intrigued by the possibility of playing for another championship, and in addition to the Warriors and Cavs, he would consider joining the San Antonio Spurs and Los Angeles Clippers, sources said. During his 18-year playing career, Allen was known as one of the league's best-conditioned athletes. That, along with the increased value of 3-point shooting in...