Complex sentence: Owumi became the subject of widespread media attention following his time with the Libyan team Al-Nasr owned by the family of Muammar Gaddafi joining the team shortly before the outbreak of the Libyan Civil War in 2011.
Split into simpler sentences: Owumi became the subject of widespread media attention following his time with the Libyan team Al-Nasr owned by the family of Muammar Gaddafi. He joined the team shortly before the outbreak of the Libyan Civil War in 2011.