The Sunderland manager wants to add pace and a goal threat to his side for next season.
Brendan Rodgers was appointed as the new Celtic manager last month.
Windass is preparing for his first season as part of Mark Warburton's Glasgow Rangers side.
West Ham United signed Sofiane Feghouli from Valencia this summer.
Middlesbrough are reportedly keen on Derby star Jeff Hendrick.
The Gunners boss has been suggested as the potential next England manager.
France take on Iceland and players linked with Manchester United, Leicester and Tottenham are in action
Tottenham reportedly want a deal starting at £5m for DeAndre Yedlin.
Everton, Bournemouth and Middlesbrough have been linked with Crystal Palace man Wayne Hennessey.
Celtic have not been linked with Bolton Wanderers' striker Zach Clough this summer.
Liverpool decided to let Mamadou Sakho join Crystal Palace on loan until the end of the season in January.
Tottenham Hotspur boss Mauricio Pochettino is said to be interested in signing Everton's Ross Barkley this summer.
Ibrox outfit Glasgow Rangers and Mark Warburton, now at Nottingham Forest, parted company last month.
Chelsea, Tottenham Hotspur, Arsenal, Manchester United, Liverpool and Manchester City are battling it out for a top four spot.
Ibrox side Glasgow Rangers full-back James Tavernier is reportedly of interest to Mark Warburton at Nottingham Forest.
Leeds United centre-back comments on recent omission.
Leeds United are chasing Newcastle United and Brighton & Hove Albion in the top two Championship spaces.
Chelsea's deal for the Frenchman is not yet complete, however, and Manchester United and Manchester City are also said to be keen.
The solid right-back has been an almost ever present in Burnley's comfortable Premier League campaign while Aston Villa languish in the Championship.
James McCarthy has made just 12 Premier League appearances for Everton so far this season.
At the end of the match Antoine Griezmann was handed a folded-up piece of paper and instructed not to open it until he got home.
For those who knew Gareth Bale when he was a 16-year-old at Southampton, living with his fellow scholars in the club’s digs at Darwin Lodge, he was a wind-up merchant, always smiling, one of the boys. It is a side to him that has been camouflaged. Bale’s public persona has long been synonymous with playing it straight and keeping his feelings under wraps. Until now.
Briefly, Germany toyed with our minds.