Sexton worringlied for Ireland .
Sexton was on the end of two ferocious tackles in the first quarter , the second bone - cruncher from revived No. 8 Louis Picamoles resulting in the flyhalf limp off to be replaced by Madigan .
Worringly for Ireland , Sexton was on the end of two ferocious tackles in the first quarter , the second bone - cruncher from revived No. 8 Louis Picamoles resulting in the flyhalf limp off to be replaced by Madigan .