LUCKNOW, May 24 -- Skipper Shreyas Iyer led from the front and struck an unbeaten hundred to keep Punjab Kings' playoff hopes alive after their crushing seven-wicket win over Lucknow Super Giants here on Saturday. The results ended their six-match losing streak and help end their league engagements with 15 points, although they will be praying for Rajasthan Royals to lose to eliminated Mumbai Indians on Sunday as RR can go through with a win that will lift them to 16 points. Iyer (101*-51b, 11x4, 5x6) steadied the chase in a century partnership with opener Prabhsimran Singh (69) and brought up his century by smacking the winning six off Mohsin Khan with three to get chasing 197 to win. PBKS romped home in 18 overs. For a moment, the target ...