Are the Nuggets contenders without making a trade this season?

Nikola Jokic and the Denver Nuggets have only played two preseason games, but we have already learned some things. One question to ask is whether or not Calvin Booth and the Denver Nuggets need to make a trade at the NBA trade deadline. Do the Denver Nuggets need to make an upgrade? Plus, is Michael Porter Jr. the standout of the Abu Dhabi Games?