The "Detailed stats" tab shows a player's total appearances, goals, cards and cumulative minutes of play for each competition, and indicates the season in which it occurred. Mathieu Valbuena's Form Analysis. Mathieu Valbuena is a Midfielder who has appeared in 19 matches this season in Super League, playing a total of 1278 minutes.Valbuena gets an average of 0.7 assists for every 90 minutes that he's on the pitch. Mathieu Valbuena has a contract with Olympiacos until 30/06/2021. Mathieu Valbuena prefers to play with right foot. His jersey number is 28.Mathieu Valbuena statistics and career statistics, live SofaScore ratings, Heatmap and goal video highlights may be available on SofaScore for some of Mathieu Valbuena and Olympiacos matches. Valbuena scored a total of 6 goals so far this season in the league, which places him at 4th in the Olympiakos Piraeus squad's Top Scorers list. Filter by season: Overall balance 19/20 18/19 17/18 16/17 15/16 14/15 13/14 12/13 11/12 10/11 09/10 08/09 07/08 06/07 04/05