Tuipulotu says Scotland have 'been to hell and back' ahead of Six Nations title shot
The Scots will secure a first Triple Crown since 1990 should they beat Ireland in their tournament finale.
Victory in Dublin would also put them in Championship contention should the result between France and England in the concluding fixture of the tournament on Saturday go their way.
Scotland have yet to be crowned champions since it became the Six Nations, with their last Championship triumph coming when the Dark Blues won the final edition of the old Five Nations in 1999.
They looked anything...