he is decked out in Adidas gear: a tracksuit in the Union’s navy and gold — though with the company’s logo for its Messi branding, not a Union badge — and a purple T-shirt with the Messi logo.

The apparel giant, which outfits Sullivan and Messi, has cast the 15-year-old phenom in a social media video series about young soccer talents who supposedly will get mentoring from the legend.