In a 2-team trade for Russell Westbrook, Heat would need to send out at least 3 of these 5 players: Goran Dragic, James Johnson, Justise Winslow, Kelly Olynyk, Dion Waiters. Other assets can certainly be included as negotiated (e.g., Herro, Okpala, Adebayo for MIA; 1sts for OKC).