Muscat played out his competitive career in the 2011 AFC Champions League under the captaincy of centre-back Adrian Leijer, despite having previously referred to the competition as "not all that enjoyable".
Muscat memainkan karier kompetitifnya di Liga Champions AFC 2011 di bawah kapten bek tengah Adrian Leijer, meskipun ia sebelumnya menyebutkan kompetisi tersebut "sama sekali tidak menyenangkan".