Fulham done the offer for an undisclosed payment, comprehended to be 11million, for the Leeds captain late on Monday evening and confirmed the offer on Tuesday morning, significantly less than a week right after Cellino had insisted the striker was not for sale.
McCormack, 27, signed a new four - year deal with Leeds final summer, but next a fall -out with Cellino did not travel with Leeds last 7 days to their summer season teaching camp in Italy. He has signed a 4 - 12 months deal at Leeds' Sky Wager Championship rivals Fulham with the option of a additional calendar year.
"I like to be in management of conditions but it felt like he wasn't my player," Cellino informed the Yorkshire Night Put up.
"I was disrespected, he was aggressive with me.
"He failed to convert up for the tour and all the time he wished to go from right here. It wasn't in my head to offer McCormack, it wasn't my program, but I had no decision.
" He is a bloody great player and I'm not likely to fake that he isn't but he did not regard me and it was not possible to hold him."
The transfer payment is a lot more than experienced been anticipated for a participant unproven in the top flight, but the offer might nevertheless anger some Leeds lovers who had been hoping McCormack would spearhead their club's advertising obstacle following season.
McCormack, the Championship's leading scorer final year with 28 targets, told BBC Radio Leeds that he had been "hung out to dry" and that the club was "no lengthier the Leeds United I fell in appreciate with".
Cellino has created wholesale improvements at the club because finishing his takeover on April 7.
Previous supervisor Brian McDermott has been changed by a new head coach, previous Forest Eco-friendly Rovers manager David Hockaday, and Junior Lewis has also been added to the coaching employees.
Benito Carbone, the previous Bradford and Sheffield Wednesday striker, was appointed as a advisor liable for initial - staff and academy affairs in May possibly.
Cellino quickly closed down the club's Thorp Arch training floor as a price - cutting evaluate - the Italian has since verified he would like to go absent from the multi-million complicated permanently - when a raft of redundancies among non- taking part in employees have been manufactured.
A Leeds assertion produced on the club's formal web site read through : "Striker Ross McCormack has completed his transfer to Fulham for an undisclosed cost.
"The Scotland worldwide was the Championship's top goalscorer final period with 28 league targets and he has signed a 4 - yr offer, with an option of a more 12 months with the London aspect.
"It is with regret that this determination was arrived at but the participant no more time needed participate in for Leeds United.
"McCormack made a full of 158 appearances for the club and scored fifty eight objectives for United.
"The club would like to desire Ross all the best for the foreseeable future."
Fulham have paid out a document charge for a Scotland worldwide, whilst McCormack becomes the next most expensive Scottish-born player in heritage.
Everton paid Wigan 13million for Glasgow-born Republic of Ireland worldwide James McCarthy in September final 12 months.
Cellino experienced stated he would only sell McCormack to a Barclays Leading League club when he unveiled Hockaday as head mentor on June 19.
The Italian claimed he had blocked the Scot's proposed shift to Fulham's London rivals West Ham in January and turned down an method from Newcastle in Might.
In the meantime, Cellino is recognized to have verified the signings of Chievo goalkeeper Marco Silvestri and Sassuolo midfielder Tommaso Bianchi.
Previous Italy Below -21 goalkeeper Silvestri, 23, joins from Chievo on a described 4 - 12 months deal, when midfielder Bianchi has signed a a few - yr deal, with the selection of a more yr.