Mavericks' Luka Doncic says it was 'tough' to see Donnie Nelson fired, as Dallas continues to look like a mess | CBS Sports Headlines Mavericks' Luka Doncic says it was 'tough' to see Donnie Nelson fired, as Dallas continues to look like a mess Nelson and Doncic had a relationship … Continue reading Mavericks' Luka Doncic says it was 'tough' to see Donnie Nelson fired, as Dallas continues to look like a mess