Lucknow, April 14 -- A masterclass in late-overs execution by Chennai Super Kings bowlers, led by Matheesha Pathirana and Ravindra Jadeja, helped the visitors restrict Lucknow Super Giants to 166 for seven in their allotted 20 overs in an IPL clash at Bhrat Ratna Shri Atal Bihari Vajpayee Ekana Stadium here on Monday. Opting to bowl first on a dry Lucknow surface, CSK struck early through Khaleel Ahmed, who removed Aiden Markram for 6 in the opening over with a superb catch by Rahul Tripathi running back at cover-point. Anshul Kamboj then trapped Nicholas Pooran (8) leg-before with a perfect in-swinger, leaving LSG at 23 for 2 by the end of the fourth over. Mitchell Marsh looked solid, returning to the side with a brisk 30 off 25 balls, str...