 Complete the following phrase:  However, off-field problems continued to affect Pent and consequently led to him being left out of the side. He joined Portsmouth on loan before leaving to join Spanish side Real Zaragoza in 2009. His time in Spain was overshadowed by disciplinary problems. He returned to the Premier League for the 201011 season signing on loan at Midlands club Stoke City. Following a successful loan spell, he signed a permanent contract at Stoke in December 2010. He played in the 