By Tzvi Machlin 2022 has been a big year for Miami Heat head coach Erik Spoelstra. After leading his team to their best regular season since the Big 3 era and reaching the Eastern Conference Finals, he just got some huge personal news. On Monday, Spoelstra and his wife Nikki announced that their family is growing bigger: Nikki will be having their third child. The child is due this coming fall. No doubt a gender reveal party will be coming soon too. Erik and Nikki have been married since July 2016. They have two sons together. The birth of their third child will undoubtedly cap off what has be…