Dogsey

If you look at the Mail Online article they give more details, such as .....

When the RSPCA entered to property they found one dog being trained on the treadmill.

Psaila admitted training Ziggy and Tip as well as another dog called Cruise to fight.

Texts on his phone revealed plans to fight Cruise.

A bucket and a sponge covered with blood were also found on the property

Yes, I didn't see that in this article. In any case, I'm not saying he's innocent, I just saw no real proof in the article, and therefore had trouble understanding the guilty plea by the defense.