Choi Ji-man, a former major leaguer currently playing in the Korean minor league, will participate in a pre-draft workout for the top domestic competition, his club announced Friday, a move that all but confirms the veteran's entry into next month's draft. The Ulsan Whales of the Futures League, the feeder circuit for the Korea Baseball Organization (KBO), said Choi will showcase his skills before scouts at the KBO pre-draft tryout Tuesday. The tryout serves as an opportunity for players not currently registered with high school or university teams to make an impression on KBO scouts and improve their chances of being selected at the draft. The tryout is reserved for players in the following categories: those who played professional or amateur baseball overseas without having previously competed in the KBO, those who played for Korean high school or university but dropped out and those who have played at least one game for a Futures League team or an independent team recognized by the KBO even without graduating from a school with a baseball team. Choi, who signed with the Seattle Marin