Ex-Ireland loosehead Jack McGrath - who featured in all three 2017 Lions Test matches versus the All Blacks - has been charting his return to fitness as a free agent on Instagram.
The Bulls 27 - 26 victory over Leinster on Friday night blew apart the established URC pecking order and there will have been plenty of hand wringing and head scratching in Dublin this weekend as a result.
Former Ireland and Lions prop Jack McGrath is the headline name in the five-strong list of players that are leaving Ulster at the end of the current season. Fellow international Sean Reidy has also been released.
The influential 29-year-old has never previously been selected to start a championship curtain-raiser.
Jack McGrath featured in all three Lions Test games in 2017 but the Irish prop is fighting a very different battle four years later.
In 2017 Jack McGrath appeared to be at the peak of his powers, but he now finds himself in a new team and fighting for a place in the Ireland squad.
A powerful but mobile prop who made the move to Belfast at the start of this season, McGrath has made ten appearances for the province so far.
Ireland and Leinster prop Jack McGrath has confirmed his decision to switch to Ulster from the start of the 2019/20 season.