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.
Tyias Browning featured for Sunderland against Hartlepool on Tuesday.
Liverpool should bide their time in an attempt to try and lure Alexis Sanchez to the club next summer.
West Ham United are said to have agreed a fee for Lazio winger Balde Keita Diao.
Ibrox side Glasgow Rangers were beaten 1-0 by St. Johnstone, but Pedro Caixinha was in positive mood after the match.
Brendan Rodgers has confirmed that Celtic could allow Emilio Izaguirre to leave this summer.
Could Liverpool really consider bringing back former talent?
Middlesbrough have signed Britt Assombalonga from Nottingham Forest. Was this spending power part of the reason Garry Monk left Leeds behind?
Leeds United transfer target Joe Bryan was statistically the best left-back in the Championship last season.
The talented left-back would solve a real problem position for Liverpool.
Leicester City wanted Ezgjan Alioski before Leeds moved in. Should they regret missing out on a potential bargain?
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.