Major League Baseball's trade deadline, set for July 31, is now less than a week away. That means deals are starting to be made -- the Mariners added Josh Naylor on Thursday night, while the Yankees grabbed Ryan McMahon on Friday -- and that this is the opportune time to refresh our trade candidate rankings.

This article was originally published on www.si.com/mlb/phillies as Insider Says Royals Are Eyeing Phillies Outfielder Nick Castellanos in Trade. The Philadelphia Phillies will be buyers ahead of the trade deadline, but how much they are willing to give up to reshape this roster isn't clear.

Several teams with postseason aspirations have reportedly been linked to Arizona Diamondbacks infielder Eugenio Suárez as the trade deadline draws closer.

The Cincinnati Reds (53-50), now at two games back of the third National League Wild Card spot entering play of July 25, haven't made a move yet. It remains to be seen if and how the Reds might involve themselves in the trade-deadline activity.

FOX Sports MLB reporters Rowan Kavner and Deesha Thosar will be grading the biggest trades in the league through the July 31 trade deadline. Here's how every team has done so far: Who else is involved: The Rockies received pitching prospects Griffin Herring and Josh Grosz

The trades happen suddenly, and often with little or no warning. Said Brandon Marsh: “I get brought into the office, shook hands, and there it was.”

The Mets are acquiring Orioles left-handed reliever Gregory Soto, according to multiple reports on July 25. The Mets are sending pitching prospects Wellington Aracena and Cameron Foster to the Orioles in the deal, according to Andy Martino of SNY.

An MLB insider expects San Diego Padres general manager A.J. Preller to act with a sense of urgency at the trade deadline.