KILDARE, IRELAND - JULY 10: Siem de Jong side planks n the gym during the Newcastle United Training Camp at Carton House on July 10, 2016, in Kildare, Ireland. (Photo by Serena Taylor/Newcastle United via Getty Images)
KILDARE, IRELAND - JULY 10: Siem de Jong side planks n the gym during the Newcastle United Training Camp at Carton House on July 10, 2016, in Kildare, Ireland. (Photo by Serena Taylor/Newcastle United via Getty Images)