The 21-year-old was outstanding in the 4-0 win in Paris on Tuesday.
Badelj's contract in Florence has just 18 months left to run.
Governing bodies were responding to new research published in Acta Neuropathologica on Wednesday.
Versatile full-back hoping to emulate fellow academy graduate Harry Winks after agreeing two-year deal.
Chelsea are eight points ahead of Manchester City at the top of the league table.
Ramsey has not produced his best form for the Gunners this season.
New study suggests repeated head trauma from heading a football can cause Chronic Traumatic Encephalopathy.
Former Sunderland striker, on loan at Dubai-based Al Ahli, ordered to have a haircut.
Both players insist that Barcelona didn't lack attitude but football.
Nigerian U23 winger joins the reigning Slovenian champions on a three-year contract.
France forward says he has concerns over lifestyle and weather in England.
Jesus has scored three goals in four Premier League appearances for City.
Di Maria and Cavani celebrated their birthdays on 14 February by scoring against Barcelona.
Gunners looking to progress to Champions League quarter-finals for first time since 2010.
Bayern have dumped Arsenal out of the Champions League last-16 twice in the last five years.
The La Liga champions are now on the brink of elimination at the round of 16 stage.
However, president Romildo Bolzan Junior concedes it would be "very difficult" to seal reunion.
Manchester United signed a record-breaking deal with Adidas worth around €95m (£80.5m) a season in 2014.
The French champions welcome Luis Enrique's side to Parc des Princes.
Mane was Liverpool's matchwinner against Tottenham.
Alli is being courted by the likes of La Liga giants and Paris Saint-Germain.
Ghana international has held talks with manager Antonio Conte over his Blues prospects.
Spanish veteran came through Tuesday's training session unscathed after knee injury scare.
Reds legend addresses which players could leave and who should replace Daniel Sturridge.
Cristiano Ronaldo is ready to lead the attack despite missing the Monday's workout.
Paris Saint-Germain host La Liga giants in first leg of Champions League last 16.
Jerome Boateng trains ahead of last 16 clash at the Allianz Arena after chest surgery.
21-year-old right-back signed a new deal at the Barcelona-based team last month with a £21.3m clause.
Martial's future at Old Trafford is far from certain.
Winks has established himself in Tottenham's senior squad.