Kevin Strootman is currently providing strongest Transfer Market SROI (Soccerlytics Return on Investment) in Europe (Season-to-Date)

Key Soccerlytics Insight:

• Of all summer 2013 transfer market deals worth 15 million or higher, Kevin Strootman (who transferred from PSV to Roma for 16.5 million Euros) has provided the most value-for-money on the field (11 appearances, 1231 minutes played, 2 goals, 5 assists, 3.5 tackles per game and 1.3 interceptions per game)

Soccerlytics ROI (return on investment):

Examples of Strong Returns:

• Henrikh Mkhitaryan (transferred from Shakhtar D to Borussia Dortmund for 27.5 million Euros)
• 15 appearances, 1246 minutes played, 5 goals, 5 assists, 2.2 tackles per game and 0.4 tackles per game) 
• Isco (transferred from Malaga to Real Madrid for 30 million Euros)
• 14 appearances, 911 minutes played, 5 goals, 3 assists, 1.3 tackles per game and 0.6 interceptions per game)
• Other strong returns: Cavani, Falcao, Neymar and Ozil (See transfer details in "Top 5" section below)

Examples of Weak Returns:

• Erik Lamela (transferred from Roma to Tottenham Hotspur for 30 million Euros)
• 4 appearances (0 premier league starts), 1 goal, 3 assists, 0.9 tackles per game, 0.4 interceptions per game)
• Stevan Jovetic (Transferred from Fiorentina to Man City for 26 million Euros)
• 4 appearances (1 premier league start), 2 goals (league cup, 0 in the premier league), 0 assists, 0.7 tackles per game, 0 interceptions per game 
• Other weak returns: Willian (transferred from Anzhi to Chelsea for 35 million Euros)
• Weak returns due to injury: Mario Gomez (transferred from Bayern to Fiorentina for 15.5 million Euros) and Thiago Alcantara (transferred from Barcelona to Bayern for 25 million Euros)

Soccerlytics key example of Transfer Market Inefficiency: Fernandinho Vs. Paulinho

• Fernandinho transferred from Shakhtar D to Man City for 40 million Euros, while Paulinho transferred from Corinthians to Tottenham H for 19.7 million Euros
• Fernandinho is 28 years old with only 5 Brazilian caps, while Paulinho is 25 years old with as many as 24 Brazilian caps and is currently a part of the Brazilian National Team setup
• Luis Gustavo (transferred from Bayern to Wolfsburg for 17.5 million Euros) was also available this summer, even though he was rumored to be unwilling to leave Germany. He is 26 years old with 16 Brazilian caps to his name and also currently a part of the Brazilian National Team setup

Top 5 Transfer Market Deals (all in Euros)

• Gareth Bale (100 million) : Tottenham Hotspur to Real Madrid
• Edinson Cavani (64.5 million) : Napoli to PSG
• Radamel Falcao (60 million) : Atletico Madrid to Monaco
• Neymar (57 million) : Santos to Barcelona
• Mesut Ozil (50 million) : Real Madrid to Arsenal

**Monaco, Manchester City and PSG had the highest net spend in Summer 2013

Top European Club Net Transfer Market Spending from World Soccer: