"I am disappointed and would have to question the player's integrity," said David Platt, Forest's manager.
Having joined from Southampton in 2014, Shaw struggled in his first year at Old Trafford, a situation seemingly not helped when Louis van Gaal publicly questioned the player's fitness.
The Mali international had been due to play at Peterborough in the League Cup but boss Nigel Adkins questioned the player's decision to pull out injured.
The 25-year-old Frenchman's move reunites him with former Tangerines boss Ian Holloway, who questioned the player's commitment during his spell at Bloomfield Road.
Eto'o refused to be drawn on his relationship with Chelsea manager Jose Mourinho, who questioned the player's official age in private conversations broadcast on French TV.
On his return, Holloway questioned the player's commitment and enthusiasm, suggesting the former France U21 international needed to ask "does he really want to be here?" Former QPR and Leicester boss Holloway left Blackpool for Crystal Palace in November 2012.
The club was welcomed home by the tax office, who had a few questions about the player bonuses.
And while the subject dominates questions to the player, his focus is elsewhere.
Former England captain Alan Shearer believes that Sterling's situation raises significant questions about the player's advisers, of Rodgers and of the club's contract policy.
Then the Uzbek Embassy's consular office questioned the players' nationality.
