Zhu Yougui
Once Yang took over Tianxiong, he began to disregard Zhu Yougui's orders. Zhu Yougui feared him, and therefore wanted to test him by summoning him to Luoyang. While Yang's own staff members believed this to be a trick, Yang himself was not apprehensive of Zhu Yougui, believing Zhu Yougui to be incapable of acting against him. He went to Luoyang to meet Zhu Yougui, who conversed with him humbly and awarded him much treasure, before sending him back to Tianxiong. Around the same time, Wang Deming attacked and captured Zongcheng (宗城, in modern Xingtai); Yang laid an ambush for him at Tangdian (唐店, in modern Xingtai), however, and defeated him.