Like last year we’re taking a look back at the performances by the Europeans who played in affiliated minor league ball in the United States in 2010.
Jeroen de Haas
Birth date: 01/01/1991 in Alkmaar, Netherlands
Organization: Seattle Mariners
2010 Season: The 19-year-old Jeroen de Haas already played his third professional season in the US this year, but still got stuck at the rookie level. Taking the mound for the Arizona Summer League affiliate of the Seattle Mariners he had a 1-3 record and an ERA of 4.18 in 15 appearances (one start) this season. He struck out 23 batters in 28 innings, while walking six.
Career Totals: 2-3, ERA 6.38, WHIP 1.599, 60.2 IP, 39 SO, 14 BB
Highest Level: Rookie (2008-2010)
Link to Baseball-Reference.com