The League One side enjoy a positive relationship with Bhoys boss Brendan Rodgers.
The Barcelona defender has been linked to Liverpool and Tottenham Hotspur in the past.
The Magpies winger was included in the preliminary 26-man squad but has been left out of the final group.
Middlesbrough will be competing in the Premier League next season for the first time since their relegation in 2009.
The Arsenal striker was jeered by his own fans in the friendly international win over Cameroon on Monday night.
The Liverpool striker is in danger of being cut from the England squad for Euro 2016.
Hennessey has a year left on his Crystal Palace contract, while the Toffees are down to just one senior 'keeper.
The Sheffield Wednesday goalkeeper starred in the Championship play-off final defeat on Saturday but faces a fight to feature at Euro 2016.
Newcastle United are currently the favourites to be promoted from the Championship.
Abel Hernandez speaks regarding rumours linking him with Arsenal.
Wilshere is a former teammate of Rangers boss Steven Gerrard, who moved to Ibrox last month.
Leeds defender Jansson impressed for Sweden on Monday.
Everton boss Marco Silva is said to be keen to strengthen his defence at Goodison Park this summer.
The Burnley striker is said to be interesting West Bromwich Albion.
Premier League duo Wolverhampton Wanderers and Arsenal were both credited with an interest in Bayer Leverkusen goalkeeper Bernd Leno.
Nottingham Forest supporters have been discussing a potential move for Wolves stopper.
Everton boss Marco Silva is on the hunt for quality new recruits this summer and could snap up a bargain from Manchester City.
Premier League Southampton were reportedly planning a move for Celtic midfielder Stuart Armstrong - but then Jack Wilshere announced his Arsenal exit.
Leeds United winger is excited to get back.
Wolverhampton Wanderers have reportedly made the first move for Stoke City ace Ndiaye but do not rule out Premier League rivals Everton just yet.
Welcome to this morning's transfer round-up. This edition features 'Michael Carrick set for new Manchester United contract' and 'Arsenal looking at Jeison Murillo?' plus more, so delve in below.
Fulham's Ross McCormack is reportedly keen on a move to Newcastle.
Everton, Stoke City and Tottenham Hotspur are reportedly keen on Aston Villa ace Jack Grealish.