Following administration issues, Al-Sahlawi experienced a difficult period where he was relegated to the bench, while at the same time he was leading the Saudi Olympic team.
In his first season with Al-Nassr, Al-Sahlawi scored 21 goals in 36 matches and received the Young Player of the Year award from STC.
[3] On 29 March 2018, it was confirmed that he will spend three weeks training with Manchester United in order to sharpen up his game ahead of the 2018 FIFA World Cup in Russia.
[8] Al-Sahlawi scored his first goal for the national team in the 2006 AFC Youth Championship against Iraq U-20 in the 52nd minute.
On 3 September 2015, Al-Sahlawi scored his first senior hat-trick, in a 7–0 defeat of Timor-Leste in a 2018 FIFA World Cup qualifier.