Messi rested for key World Cup qualifier, boosting Inter Miami's playoff hopes
- Messi left off Argentina roster for match against Bolivia in La Paz.
- Playing at high altitude in Bolivia is challenging for visiting teams.
- Resting Messi for difficult away match benefits his MLS club Inter Miami.
- Inter Miami chasing playoff spot with eight games left in regular season.
- Messi's absence could help Miami beat Atlanta United in next match.