A PLAYER should be traded back to his original club. Umpires need to find a specific way to measure out 50-metre penalties.

And which Victorian clubs are ruing not taking a punt on a wantaway Port Adelaide youngster?

Get the inside word in AFL Exchange's brand new segment Things That Should Happen as the guys give you the lowdown on the next move for the game, clubs and players.

Tune in to this week's episode of the AFL Exchange to hear all the latest as the competition embarks on round five.

Join hosts Cal Twomey, Riley Beveridge and Mitch Cleary as they discuss the big news in the football world and some of the things you might have missed.

Join Callum Twomey, Riley Beveridge and Mitch Cleary as AFL Exchange covers all of the big issues in the football world – and some of the not so big.

In this week's episode ...

2:05 – What are the implications for the season after another round of fixture changes?

6:00 – Is Clarko right about the state of the game or should coaches take more responsibility?

10:20 – We delve into the deepest concerns for West Coast.

14:35 – Can Carlton make the finals for the first time since 2013?

21:30 – The guys debut a brand new segment – Things That Should Happen.

27:40 – Why are Match Review Officer findings so weighted by the outcome of incidents?

32:20 – Which Crouch brother would you prefer?

40:20 – How should Geelong be using its three first-round picks at this year's NAB AFL Draft?

44:30 – Get the latest update in Cal's effort to change the scoreboard at the MCG and Marvel Stadium.