Alex Lees celebrates his century © Getty Images

Alex Lees drives through the covers © Getty Images

Durham batsman Alex Lees picks up some runs © Getty Images

Alex Lees works the ball behind square on the leg side © Getty Images

Alex Lees pulls into the leg side © Getty Images

Alex Lees sent down some declaration bowling © PA Photos

Alex Lees made his tenth first-class hundred © Getty Images

Alex Lees got Yorkshire's innings off to a good start © Getty Images

Alex Lees skippers Yorkshire at NatWest Blast finals day with treble hopes still alive © Getty Images

Alex Lees goes down the ground © Getty Images

Alex Lees led Yorkshire in their fourth-innings chase © Getty Images

Alex Lees played his second solid innings of the match © Getty Images

Alex Lees held the Yorkshire reply together © Getty Images

Alex Lees made 86 in Yorkshire's second innings © Getty Images

Alex Lees guided Yorkshire's chase © Getty Images

Alex Lees's excellent form continued © PA Photos

Alex Lees drives during his innings of 87 © PA Photos

Yorkshire team-mates Gary Ballance and Alex Lees take a break © Getty Images