Pune City 'keeper Vishal Kaith collects the ball against Bengaluru FC during the semi-final first leg in Pune esterday. Pic/SPORTZPICS

League table toppers Bengaluru FC and fourth-placed FC Pune City played out a listless goalless draw in the first leg semi-final of the Indian Super League match at the Shree Shiv Chhatrapati Sports Complex here yesterday. Pune need only a draw to go through to the final with the away goal rule in operation in the return leg.