Lionel Messi returns for Argentina with hat-trick, 2 assists and the realization that “these could be the last games”

Lionel Messi experienced an unforgettable evening in Buenos Aires in front of around 85,000 enthusiastic fans. (Reuters/Matias Baglietto) Lionel Messi returned to the Argentina national team in a big way on Tuesday with a hat trick and two assists in…