Penn Alumni Mark DeRosa played for many MLB teams after his undergraduate career with his last being the Toronto Blue Jays before he retired from professional baseball. (Photo from Keith Allison | CC BY-SA 2.0)
Mark DeRosa Blue Jays.jpg
Penn Alumni Mark DeRosa played for many MLB teams after his undergraduate career with his last being the Toronto Blue Jays before he retired from professional baseball. (Photo from Keith Allison | CC BY-SA 2.0)
