LONDON : An injury to Bukayo Saka ahead of a busy festive fixture list cast a shadow over Arsenal's 5-1 victory romp at Crystal Palace on Saturday but if manager Mikel Arteta was worried about that, at least Gabriel Jesus's form offered some comfort. Before Wednesday's League Cup quarter-final at Palace, former Manchester City forward Jesus had scored only once in his previous 33 appearances for Arsenal. But the Brazilian bagged a hat-trick in a 3-2 win in midweek and was razor sharp again with