Lionel Messi and Inter Miami were left red-faced after being shown the exit door from the MLS Cup playoffs by Atlanta United. With Messi in their ranks, Inter Miami are Major League Soccer’s biggest-spending team. In fact, their clash against Atlanta United was a battle between David and Goliath: the No. 1 seed with Messi in the lineup vs the No 9 seed. In fact, as reported by the Associated Press, Messi’s $20,446,667 in total compensation from Inter Miami this season was about $5 million more than the entire Atlanta payroll. Inter Miami spent a record $41.7 million on payroll this season. With that sort of investment, much was expected from Messi and Inter Miami. The club did win the Supporters’ Shield and post the best regular-season record in MLS history besides earning an invitation to next year’s Club World Cup. But the club’s failure to even reach Round 2 of the playoffs will be considered a massive flop. Atlanta United stunned Inter Miami 3-2 to win their best-of-three first round playoff series in three …