A marquee player counts £150k on the cap (which is £2m for 2019).

Club trained players are £75k.

Thanks I didn’t understand how the marquee ruling affects the cap, I thought it was allowed above the £2m obviously not

… you could have 4 players each earning £200k, two would add £150k to the cap and two would add £200k.

that would be a big chunk of the £2m cap

Here's another way of reducing the cap.

Assuming Danny Houghton is a "club trained" player, and earns £110k, for sake of argument.

Pay him another £40k, he becomes a marquee player, and our cap liability is reduced by £35k (£110k-£75k).

Daft I know, and money is no object.

Edit: not quite as simple as it seems - a player needs to earn at least £170k to have a nominal cap space of £150k or £75k, so the sums are still right, but the club would need to find an extra £60k in the example above.

Explains Perason's observation that a marquee player could be divisive.

Leeds have effectively had to lose 2 £60/70k players to make room and maintain there existing cap strategy.

And the money above £150k still has to found and payed out, on top of everything else.

Who did they lose (I am not up on other teams squads)

No idea, it's only a numbers game, but Garbutt left within a week of Furner arriving as coach last November.
Not offering new contracts is the easy way out, although the NRL always seem to have surplus players available before the season starts because of cap issues.
Sinfield is saying it'll take a couple of years to get sorted, sounds like they're on borrowed time at the moment.

Two are going out on loan to Doncaster

Does anyone know why he left the Broncos?

Surplus to requirements? Homesick?

I'd heard soon after he'd gone that he'd be back.
His reason for leaving was more to do with residency than anything else.

Salary cap issues.