The MLB trade deadline is on July 31 and trade speculation and rumors are running rampant. The Arizona Diamondbacks are in the middle of the speculation. In fact, one MLB insider says the team could be the "epicenter of the trade deadline.

Diamondbacks Receive: RHP Logan Evans (#10 Prospect), 1B Tyler Locklear (#11 prospect), and RHP Teddy McGraw (#17 prospect)

If the Diamondbacks do end up a seller in front of the trade deadline, they'd turn some heads. Pitchers Zac Gallen and Merrill Kelly along with corner infielders Eugenio Suárez and Josh Naylor are all free agents at the end of the season and could net a decent return.

The Diamondbacks made a move to shore up their organizational pitching depth, signing right-hander Anthony DeSclafani to a major league contract and fitting him on the roster by optioning right-hander Bryce Jarvis to Triple-A Reno.

The Arizona Diamondbacks are getting calls about possible trades, ahead of the MLB trade deadline. Arizona is hesitant to take the calls.

Corbin Carroll and Josh Naylor homered and the Arizona Diamondbacks beat the San Diego Padres 5-1 on Friday night to extend their winning streak to four games.

The San Francisco Giants' stunning deal to acquire Rafael Devers from the Red Sox could mean another hurdle for the Diamondbacks.

The Cubs should look to add at the MLB trade deadline, and the Diamondbacks have the perfect fits if they are sellers.