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Aden Flint has completed his switch to Middlesbrough from Bristol City and will spend the next 10 days getting to know his new team-mates in Austria.

The deal comes less than 24 hours after Sunderland midfielder Paddy McNair put pen to paper on a four-year contract.

Boro said the fee would remain undisclosed.

The Boro first team squad begin their intense overseas training camp today and Tony Pulis’s two new signings will take part in the routines.

Flint’s transfer fee is believed to be in the region of £5m rising to £7m though Swindon Town are understood to have a sell-on value of 15-20%.

There’s no doubt Steve Gibson is backing Pulis in the transfer market with an outlay of around £11m and a suggestion that there’s another couple of significant deals in the pipeline.

Whether Flint’s arrival leads to the departure of Ben Gibson, time will tell. There’s no suggestion Boro want to cash in one of their prize assets or that they’ve even received a significant bid that comes close to matching the club’s valuation of a 25-year-old defender approaching his peak years.

Much will depend on the player’s own personal ambitions. He’ll certainly be keen to play regular Premier League football and win a place in Gareth Southgate’s England squad.

But he may come to the opinion that staying with Pulis’s ambitious Boro will get him back in the top flight in the next 12 months.

Meanwhile, Flint’s departure hasn’t gone down well with Bristol City fans.

The goalscoring defender, who joined City from Swindon Town in 2013 for a fee of around £300,000, signed a long-term contract extension earlier this year.

But Boro’s early interest and firm offer convinced the club to sell one of their best players.

In fact, earlier this week vice-chairman John Lansdown paid Flint a glowing tribute on City’s own website.

He said: “Aden’s been here for five years and made over 200 appearances and has virtually been an ever-present as you can hope for.

“I don’t think it has gone unnoticed by anybody on how much of an influence that has, he has scored a number of goals from important positions where you don’t always get them as well.

“He’s been a great player and is a fans favourite, he isn’t going be the first one to have had interest in him.

“He’s on a long-term contract, the offer again with any player has to be a value that we simply cannot refuse for that to happen.”