Celtic have signed France under-21 midfielder Olivier Ntcham from Manchester City for a fee of about £4.5 million.
Almost 50 years to the day since the club's European Cup win, Celtic made more history. This excerpt from "Invincible" explains how they did it.
Rangers crashed out of the Europa League qualifiers to Luxembourg minnows Progres Niederkorn, the latest in a line of early European exits for them.
Pedro Caixinha says he will take the blame for Rangers' humiliating Europa League exit and apologised to fans after the loss to Progres Niederkorn.
With Rangers shock exit from early rounds of the Europa League, Scotsman Steve Nicol lambastes the league's dire state.
Jason Dasey and John Wilkinson look at potential destinations for Aussies Jackson Irvine and Tom Rogic this summer.