I don't understand the confusion on the Roscommon player fouling the ball. You are not allowed to throw the ball in football
https://www.gaa.ie/api/pdfs/image/upload/vxpgnvzwyiogaylcqubh.pdf
I've seen people on Twitter saying you throw the ball downwards to hop it. You don't. If you were allowed to throw it up for a bounce, what would stop you throwing it over a players head and running past him, like a quick lineout in rugby.
QuoteRULE 4 - TECHNICAL FOULS
4.1 To overcarry or overhold the ball.
4.2 (a) To throw the ball.
(b) To handpass the ball without:
(i) It being Fisted
or
(ii) It being struck with an open hand with a
definite underhand striking action.
https://www.gaa.ie/api/pdfs/image/upload/vxpgnvzwyiogaylcqubh.pdf
I've seen people on Twitter saying you throw the ball downwards to hop it. You don't. If you were allowed to throw it up for a bounce, what would stop you throwing it over a players head and running past him, like a quick lineout in rugby.