Ronnie rockets to the top

Cristiano Ronaldo returned to top spot in The Actim Index, the official player ratings system of the Barclays Premier League, after helping Manchester United to a vital victory at bottom-of-the-table Derby County.

The Portugal international, 23, posted 32 points as his solitary 75th-minute strike put United top of the table, where they stayed following Arsenal`s 1-1 draw at home to Middlesbrough.

Ronaldo, who moved one point clear of Arsenal striker Emmanuel Adebayor with 571 points, also boasts the highest average score of the season in the index with 23 points per game.

The winger, named in the team of the week, is one of three United players in the top 10 with Carlos Tevez (464 points) in seventh and Rio Ferdinand in 10th with 449 points.

Analysis of all Premiership games is taking place throughout the season and the players in the Actim Index Team of the Week are:

Name, Team, Position, Weekly Score

David James, Portsmouth, Goalkeeper, 35

Hermann Hreidarsson, Portsmouth, Defender, 48

John Terry, Chelsea, Defender, 47

Paulo Ferreira, Chelsea, Defender, 40

Ashley Cole, Chelsea, Defender, 37

Frank Lampard, Chelsea, Midfielder, 100

Joe Cole, Chelsea, Midfielder, 43

Stephen Ireland, Manchester City, Midfielder, 33

Cristiano Ronaldo, Manchester United, Midfielder, 32

Jermain Defoe, Portsmouth, Striker, 75

Salomon Kalou, Chelsea, Striker, 57

The Actim Index is calculated using a unique mathematical formula that rates each player`s contribution be it goals, shots, passes, dribbles, tackles, crosses, saves, clearances, blocks, interceptions, assists, clean sheets, time on the pitch or number of points gained by the team with marks deducted for red and yellow cards.