Port Adelaide v Essendon

Robbie Gray
The midfielder/forward is fifth in the overall standings, and is the top-scoring player through two rounds. He had 21 disposals and six inside 50s in last year's round 17 win against the Bombers.
Rating: 5
Zach Merrett
The young midfielder had his career-best game last time he played the Power. He laid 12 tackles, won 11 contested possessions, had six inside 50s and kicked a goal.
Rating: 138

St Kilda v Collingwood

Dylan Roberton
In round three last season, the defender had 28 disposals at 82 per cent efficiency, and won 11 contested possessions. His average player rating is better against Collingwood than any other team (16.2).
Rating: 307
Alex Fasolo
The electric forward was the top-scoring player last weekend, with 30 points. He kicked six goals straight and had four score assists. His ranking has improved 55 positions this season.
Rating: 220

Richmond v Adelaide

Trent Cotchin
The under-fire skipper has averaged 17.4 points against the Crows since 2010 – his best against any team.
Rating: 77
Tom Lynch
The forward has climbed 43 positions this season, to 133rd overall. Since the start of 2015, he has 52 score assists – more than any other player in the AFL.
Rating: 133

Sydney Swans v Greater Western Sydney

Kurt Tippett
The ruck/forward top-scored in round 21 last season, finishing with six inside 50s, two score assists, four hit-outs to advantage and five goals.
Rating: 78
Phil Davis
The co-captain is the top-scoring key defender through two rounds. He is No. 1 in the competition for intercept possessions, with 21.
Rating: 290

Gold Coast Suns v Carlton

Tom Lynch
The in-form forward has kicked four goals in two of his three games against Carlton. His average of 17.9 points against the Blues is his best against any team.
Rating: 45
Matthew Kreuzer
The first player drafted in 2007 has averaged 14.8 points against Gold Coast – his best against any team. He had 19 disposals and took eight marks against the Suns in round 13 last season.
Rating: 405

West Coast v Fremantle

Nic Naitanui
The exciting ruckman sits at a career-high seventh overall – second behind Todd Goldstein (fourth) of ruckmen. He is the top-scoring ruckman this season.
Rating: 7
Stephen Hill
The smooth-moving left-footer had the best player rating in last year's round 20 Derby. He finished with 28 disposals, five inside 50s, six tackles and kicked a goal.
Rating: 58

North Melbourne v Melbourne

Ben Cunnington
The clearance specialist was the No. 1 ranked player on the ground the last time these teams met, with 24.7 points – also his career-high. He had 31 disposals and 20 contested possessions.
Rating: 51
Jesse Hogan
The young key forward had his career-best game against North Melbourne in round 19 last season. He kicked four goals, took three contested marks and had two score assists.
Rating: 334

Western Bulldogs v Hawthorn

Jason Johannisen
The rebounding half-back is the top-scoring general defender this season, averaging 16.6 points per game.
Rating: 168
Grant Birchall
The left-footed defender has averaged 14.9 points against the Bulldogs since 2010 – his best against any club. In round three last season, he had 30 disposals at 93 per cent efficiency.
Rating: 99

Geelong v Brisbane Lions

Joel Selwood
The captain top-scored when these clubs met in round 18 last year, with 24.8 points. He laid 11 tackles, had six score assists and kicked two goals.
Rating: 8
Dayne Zorko
A co-winner of last year's Brisbane Lions best and fairest, Zorko top scored for his team last weekend with 21.2 points. He sits at an equal career-best 18th overall – No.1 of midfielder-forwards.
Rating 18