By Joshua Mbu Jon Rahm’s LIV Golf debut along the calm waters of Mexico’s Yucatan Peninsula at Mayakoba 2024 will pit him against rival Brooks Koepka, who sensationally accused him of behaving like a “child”. The pair had a spat after a bruising opening day for the United States at the Ryder Cup last year. Rahm holed out on the final green as he and Nicolai Hojgaard salvaged a half-a-point against Koepka and Scottie Scheffler. “I want to hit a board and pout just like Jon Rahm did,” said Koepka, in a sensational blast of the Spaniard. “But, you know, it is what it is. Act like a child. But we’…