India, June 23 -- Argentina are through, Lionel Messi has made history again, and the defending champions have done almost everything expected of them in the opening stretch of the World Cup. Two matches, two wins, five goals scored, none conceded, and a place in the Round of 32 sealed before their final group game - on paper, it is close to perfect.

But Argentina's 2-0 win over Austria also left behind a question Lionel Scaloni cannot completely ignore: beyond Messi, where is the attacking responsibility coming from?

The night in Dallas belonged to Messi for obvious reasons. He missed an early penalty after Lautaro Martinez was brought down in the box, but responded in the way he has done for most of his career. In the 38th minute, Thi...