Mets starting pitcher Noah Syndergaard will guest star in season six of History drama ‘Vikings.’ He will play a character called Thorbjorn, a Viking warrior who is loyal to Ivar the Boneless. According to broadcastingcable.com, Syndergaard is currently shooting his episode in Ireland. The 6’ 6” Syndergaard recently his finished his season with a 13-4 record for New York.