I have enclosed the full sentences for context but these are the parts that i cant get.

1.ar an fhreastal a rinneadh ar
2.Beidh cuimhne ag a raibh i láthair ar

1. Roimh i bhfad bhí feabhas mór ar an fhreastal a rinneadh ar thosaithe Thír Eoghain
Before long there was a big improvement..???... Tyrone forwards.

2. Beidh cuimhne ag a raibh i láthair ar thaispeántas an Dúin sa dara leath den choimhlint
..????.....the Down performance in the second half of this contest.

Roimh i bhfad bhí feabhas mór ar an fhreastal a rinneadh ar thosaithe Thír Eoghain.

Long before there was great improvement with the attendance of Tyrone's forwards. (I think?)

Beidh cuimhne ag a raibh i láthair ar thaispeántas an Dúin sa dara leath den choimhlint
Those who were present at the Down performance in the second half of the conflict wil remember.

1. Before long there was a big improvement in the service (of the ball) provided to the Tyrone forwards.

2. Those present will remember the Down display in the second half of the contest.