My sense is that Asheville Tourists manager Joe Mikulik suspects that Stros farmhand Koby Clemens is getting some favorable treatment from the umps that is normally reserved for his father:

Lexington’s Koby Clemens — whose famous father Roger made a tuneup start for the Legends this month after re-signing with the Houston Astros — was leading off second base after hitting an RBI double when Asheville pitcher Brandon Durden tried to pick him off.
Umpire Andy Russell called Clemens safe, sending Mikulik roaring out of the dugout and setting off a prolonged tirade that he carried all over the infield and into the dugout.

That led to this: