MLB trade deadline rumors, speculation, news involving Arizona Diamondbacks. What moves could team make before MLB trade deadline on July 31?

Diamondbacks owner Ken Kendrick said he wants to wait to see how competitive the team is before investing in them around the trade deadline.

The Arizona Cardinals made a strong effort to improve their defense this offseason, specifically across the defensive line. They added veteran players such as Calais Campbell, Dalvin Tomlinson, and Josh Sweat in free agency.

Arizona Diamondbacks' Corbin Carroll joins Willie Mays as one of last two players to have multiple multi-homer games and multiple multi-triple games.

Veteran pitcher Anthony DeSclafani joins the Arizona Diamondbacks after using opt-out clause with Yankees amid injury-hit rotation.

Arizona Diamondbacks pitcher Shelby Miller and his wife, Erika learned their son, Kyler, who was not even a year old, had a rare genetic disorder.

Tommy Henry will now seek a second opinion on his injured elbow after being placed on the IL in Triple-A Reno, as the Diamondbacks’ injury concerns continue.

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.