Kalshi was announced as an official sponsor of the defending world champions for the duration of the tournament. The deal includes co-branded campaigns and social media content, and Kalshi also gains rights to use official AFA branding across its promotional material.
The rollout post featured Messi alongside teammates Nicolas Otamendi and Rodrigo De Paul, all three wearing Argentina's sky blue and white kit. It also gave fans a shot at winning a signed AFA jersey.
Lionel Scaloni's squad enters the Algeria match as clear favorites in Group J. After that opener, Argentina faces Austria on June 22 and Jordan on June 27, with both of those fixtures set for Dallas.
Messi heads into the tournament on his sixth World Cup appearance, while Argentina carries the weight of being reigning champions into every match it plays.
