GLASGOW (AFP) ― Teenager Tony Watt made a sensational debut for Scottish Premier League champions Celtic as he scored twice in his side’s 3-0 defeat of Motherwell at Fir Park on Sunday.

The 18-year-old, signed from Airdrie last year, replaced Pawel Brozek in the 59th minute and scored his first just over three minutes later when he volleyed in Victor Wanyama’s cross.

Watt grabbed his second in the 66th minute, sending a low, angled drive into the bottom-left corner to mark a memorable start to his Celtic career.

South Korean international Cha Du-ri rounded off the win when he headed in substitute Paddy McCourt’s cross in the 83rd minute.