Hammers board confidant Sean Whetstone has made a huge new claim about West Ham co-owner Daniel Kretinsky. After a brilliant first half of the season, the wheels have been threatening to fall off at West Ham since the turn of the year. David Moyes is under severe pressure to keep his job at West Ham. And some fans are starting to turn on the Scot as well as the owners. There have been conflicting reports about the club’s technical director Tim Steidten’s relationship with Moyes and whether he intends to stay at West Ham amid interest from Liverpool. Whetstone makes huge new claim about Kretins…