Nothing doing and we come back for the penalty.

Bulls have the advantage for offside but Bulls are still thumping at the door...

Willie Le Roux shows the better side of his usually brilliant kicking game and the Bulls have a rare spell in Leinster territory now.

Can they get back in this before half-time?

Tom Shanklin
Former Wales international on Premier Sport

Nothing seems to be going right for the Bulls, even their power game.

They're getting hit so hard by Leinster who are doing such a good job of meeting force with force.

Mark Strange
BBC Sport NI at Croke Park

Every bounce is falling perfectly for Leinster so far. Canan Moodie went up for that high ball but couldn't take it and the ball landed straight in the bread basket of Jack Conan.

Leinster couldn't take advantage on this occasion but that's a microcosm of the game so far.

Stephen Ferris
Former Ireland and Ulster flanker on Premier Sports

It feels like the Bulls haven't been in the game whatsoever.

They haven't strung five or six phases together or made a dent in this Leinster defence.

Image source, Getty Images

Haha, Leo Cullen obviously saw something he didn't like in that maul.

The replay of the coach's box shows the line-out enthusiast vociferously appealing before giving a much more subdued clap as Josh van der Flier went over.

Just as I say that, a neat attacking exchange from Jack Conan and Tommy O'Brien sets Dan Sheehan away.

Leinster win the penalty and they'll go again from the five-metre line-out...

Is it just me or has that opening 20 minutes flown in?

Wouldn't say we've seen a lot of attacking rugby but there's an awful lot happening.

Mark Strange
BBC Sport NI at Croke Park

Leinster have not given this powerful Bulls side a sniff so far in the opening quarter.

The South Africans have been on the back foot from the first whistle and Leo Cullen could not have asked for more.

Image source, Getty Images

Ponchos are essential on a wet day like this at Croke Park!

At least Leinster's fast start has given those rain-soaked fans something to cheer about

Image source, Getty Images

Oh my! It's all going on now.

Sam Prendergast puts boot to ball again but this time doesn't get the bounce.

Then the Bulls' Willie Le Roux does likewise but kicks straight towards James Lowe.

With the slippery ball, Lowe spills forward when a clean gather would surely have meant a try.

From the resulting scrum, this time it's Leinster who are pinged.

Andrew Porter, to the surprise of nobody, does not agree.

Oh, this could be controversial.

The Bulls think they heard the referee's whistle before Sam Prendergast's 50:22 found touch.

They're not happy here as they defend.

A brilliant kick from Ireland's number 10 regardless.

Stephen Ferris
Former Ireland and Ulster flanker on Premier Sports

The smacks, the bangs, the wallops!

The intensity is through the roof!

Image source, Getty Images

You always see something a little different from Jordie Barrett.

I don't know quite how to describe that pass...Andrea Piardi does, though.

Forward.

Bulls have the scrum on the edge of their 22.

Jake White spoke pre-match about his side's discipline.

Well, they've not had much of the ball and that's a sure way to ensure they've less.

Pretty silly penalty.

Oh, there could be more to this actually...

We're going to the TMO to see if there was something untoward on the ground.

Nope, just a penalty, so Leinster will have the line-out rather than the Bulls.

There's some afters as Leinster regain possession and, after James Lowe shows off that cannon of a left boot, Andrea Piardi has a word with Joe McCarthy and Vorster.

It's the South African centre who comes off worse as Tom Clarkson clears him right out of it.