As play raged on, Celtic were awarded a penalty when Papac made a clumsy challenge on Zheng Zhi just inside the box.

BBC: Rangers 2-1 Celtic

Paddy McCourt was given 20 minutes to fashion an equaliser for Celtic, replacing Zheng Zhi as the visitors sought a greater attacking threat.

BBC: Rangers 2-1 Celtic

Lennon has released midfielders Zheng Zhi and Koki Mizuno, but has added defenders Charlie Mulgrew and Cha Du-Ri as he seeks to rebuild the squad.

BBC: Celtic target George Boateng

Mowbray said he was happy with Zheng Zhi's display on his debut, adding that he believed the China captain would be comfortable with Celtic's style of play.

BBC: Mowbray riled by defensive errors

Referee Craig Thomson awarded Celtic a penalty after Sasa Papac fouled debutant Zheng Zhi, but the visitors also claimed for a spot kick when David Weir appeared to foul Shaun Maloney.

BBC: Mowbray riled by defensive errors

Few among the visiting support would have predicted that Celtic manager Tony Mowbray would hand China captain Zheng Zhi his debut, while Lee Naylor made his first start of the season.

BBC: Rangers 2-1 Celtic

Zheng-Zhi had an effort blocked, Song might have done better with a header, while Darren Bent lashed a shot past the post.

BBC: SPORT | Football | Premiership | Charlton 0-2 Tottenham