Legspinner Lawson released

Yorkshire have released legspinner Mark Lawson and he is free to search for a new county immediately.

He has struggled for first-team chances since the emergence of Adil Rashid and leaves having played 16 matches and taken 42 wickets. His career best is 6 for 88 against Middlesex, who he has spent time with this season and played for against the South Africans at Uxbridge.