Harry Kane was in third place but the Tottenham striker was a long way behind the top two as Salah and De Bruyne polled 90 per cent of the vote between them.
He becomes the first African victor of the football's oldest individual award, which has been running since 1948.
"Right up to the last week or so we thought it might happen again, so strong was the support for Kevin de Bruyne", said Barclay.
Salah will head to the World Cup in Russian Federation in June to play for Egypt who have been drawn with the hosts, Saudi Arabia and Uruguay in Group A.
In the end, less than 20 votes separated the two as Salah became the first African victor in the history of the award which has been running since 1948.
Steph Curry Only Has One Goal for His Return on Tuesday
Curry has a Grade 2 MCL sprain in his left knee, an injury he suffered during a 106-94 win against the Atlanta Hawks on March 23. Spears of The Undefeated that he simply hopes to not play poorly after missing so much time .
The 25-year-old is just four goals shy of Ian Rush's record of 47 goals in a single season for the Merseysiders.
Eyebrows were raised when Liverpool chose to fork out £36million on Salah in June as he failed to make the grade at Chelsea during his previous spell in England.
He also looks set to win the Golden Boot award to cap a stunning campaign on Merseyside.
Salah, who joined Jurgen Klopp's men from AS Roma last summer, has also chipped in with 10 assists this term - and his influence on Liverpool has been made clearer than ever, thanks to football writer Andrew Beasley.