Trailing to an early Dave Heffernan score, the Sharks took over 20 minutes to reach the opposition 22 but built a 27-7 interval lead.Andre Esterhuizen powered over twice, Jordan Hendrikse delivered two monster penalties, and Gerbrandt Grobler also crossed late on.The westerners made the early running, with a Piers O’Conor break preceding hooker Heffernan’s opening maul effort. Josh Ioane nailed the conversion.The hosts remained on the front foot until former Harlequin Esterhuizen’s hard line off a lineout got the Sharks off the mark. Siya Masuku converted.Hendrikse, the Currie Cup final’s…