Real Betis signing Joaquin was presented to fans with his arm in a bandage.
Joaquin left Fiorentina for Betis on Monday.
“Over the last few days there was a lot of tension," he explained.
“My agent Eduardo Espejo had his phone switched off and it made me lose my temper. So I punched a table, maybe also a chair, and got two small holes in my hand.
“As I've never punched anything in my life, it really hurt…"