Lando Norris took McLaren’s first pole of the season in sprint qualifying for the Miami Grand Prix Credit : Marco Bello/Reuters McLaren’s world champion Lando Norris claimed pole for Saturday’s sprint race in Miami, denying Mercedes top spot for the first time in a competitive session this season. Norris beat Mercedes’ championship leader Kimi Antonelli into second by a pretty handy margin, 0.222 seconds, as the top teams unveiled what they had been working on during Formula One’s enforced five-week break. Norris’s team-mate Oscar Piastri will start third on Saturday morning with the Ferrari of Charles Leclerc fourth and Red Bull’s Max Verstappen fifth, just ahead of Mercedes’ title favourite George Russell. That is not a sentence anyone expected to write heading into the weekend. Russell told Sky Sports F1 he was “surprised” by the extent of the progress made by Mercedes’ rivals over the break, particularly McLaren and Ferrari.…