Nobody could have anticipated that Leicester City's running machine from last season would be the current top scorer in the league this season.
Yet, seven games into the season, his six goals make him the highest scorer in the Premier League and the third highest scorer across Europe's top five leagues. He has already bettered his goal tally of five goals from last season, taking 19 fewer games to do so.
His excellent brace against Arsenal was largely overshadowed by Arsenal's five-goal show, particularly the return to form of Alexis Sanchez, who netted a brilliant hat-trick.
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Vardy's first, a clinical finish curled around Petr Cech and into the far corner after a dart through the box put Leicester ahead to give them hope of extending their unbeaten run in the league, before being cancelled out by Walcott's leveler and Alexis' hat-trick.
Vardy did manage to score a late consolation, however, which was a fine finish too. Despite the loss, Vardy can be satisfied at having put up another good showing this season, and becoming the league's top scorer as a consequence.
While Mahrez's form has deservedly grabbed the headlines this season, Vardy has been equally impressive.
Vardy was Leicester's Player of the Season in their Championship winning 2013-2014 season, netting 16 goals.
His goal tally dropped in the 2014-2015 season, presumably because he needed time to get used to the highly competitive Premier League.
His work-rate was never in question, even Jose Mourinho took note and complimented him after a game against Chelsea last season. His performance in the 3-0 defeat of Newcastle was a particular highlight. Despite not getting on the scoresheet, his constant running caused huge problems in the Newcastle defence, drawing numerous fouls and earning a Man of the Match award for his efforts.
Roy Hodgson's decision to give him an England call-up last season raised a lot of eyebrows, but he can only take it as a reward for incredible work-ethic.
This season, he has gone from strength to strength. He is now used to the Premier League and has hit the ground running this season. He has plenty of pace and his composure in front of goal has noticeably improved.
He has added goals to his game and has overall become a very effective striker. His work-rate and speed already made him a nuisance to mark for opposition defenders, but his superior positioning and greater tactical intelligence have made him become a genuine goal-scoring threat.
While he cannot boast the greatest height or physical ability, his sharpness and willingness to run are proving to be valuable assets not only for him but for Leicester City too. His cool finish for his first of his two goals against Arsenal demonstrated the composure of a seasoned striker.
At 28-years-old, Vardy is at the peak of his career and if he continues in his current form, he might just finish this season as the top scorer in the league. On his way to becoming an England regular, he would provide an excellent back up for skipper Wayne Rooney and Daniel Sturridge.
If he continues to show the quality and unquestionable commitment on the field for the remainder of the season, he will surely be part of England squad for the 2016 Euro competition