نادي برشلونة لكرة السلة
In 1995, he signed with the Olympiacos B.C. of the Greek Basket League, winning the title in 1996. In 1996–1997, he contributed to the team winning the Greek Basketball Cup, the Greek Basket League and the EuroLeague (the second time a Greek club won the trophy), where he faced the FC Barcelona Bàsquet and was named EuroLeague Final Four MVP, averaging 27 points per game in the two Final Four games in Rome. During that season, Rivers he averaged in the EuroLeague, 17.2 points, 3.4 assists, 3.4 rebounds, and 2.0 steals in 37.9 minutes per game, in 23 games played. At his stage of his career, he was considered one of the best basketball players in Europe. He is remembered as a legend by Olympiacos fans and he is widely considered as one of the greatest players in Olympiacos history. He was also named the European Player of the Year in 1997, making him the first American ever to receive European Basketball Highest Honor.