Area scout Rusty Pendergrass was at the workout representing the Astros, and the club was pleased with what it saw mechanically and physically from Loux.
"What we saw was pretty consistent with what we saw during the spring, so the process of them showcasing him, so to speak, has been portrayed not as a sprint, but more as a process that will go through the fall a little bit," Astros assistant general manager/director of scouting Bobby Heck said.
"He's finishing up his degree this semester [at Texas A&M], and it's not really a race to get something in place, but they want to have something in place later in the fall and know where their landing place is for Spring Training."
Loux was drafted No. 6 overall and failed a physical reportedly because of arm problems. Major League Baseball declared Loux a free agent, and he was available to sign with any club beginning Sept. 1, with the D-backs being awarded compensatory Draft picks. The Astros had interest in the Houston-area product before he was picked by Arizona.
Loux went 11-2 with a 2.83 ERA in 16 starts last season as a junior at Texas A&M.
"The fact there were 15 teams there today and the fact some clubs didn't sign their first-round [pick] showed there was some interest," Heck said. "The fact we have someone there, our interest is sincere. We'll do our work on it. You have to balance, not only the evaluation process, but because of the medical circumstances [team medical director] Dr. [David] Lintner becomes a part of our process as well as we gauge where we can or can't go on this."
The Dodgers, Twins, Marlins, Reds, Yankees, Cardinals, Pirates, A's, Brewers, Mets, Angels, Blue Jays, Royals and one unidentified team were also on hand to watch Loux throw.