预计成为新赛季教练团成员之一的Mark Grater教练
教练经历如下:
1998 Pitching coach of Prince William Cannons (STL MiLB)
2001 Pitching coach of Peoria Chiefs (STL MiLB HighA)
2002 Pitching coach of GCL Expos (WAS MiLB)
2003 Pitching coach of Brevard County Manatees (WAS MiLB)
2004 Pitching coach of Harrisburg Senators (WAS MiLB 2A)
2005 Pitching coach of Savannah Sands Gnats (WAS MiLB)
2006 Pitching coach of Vermont Lake Monsters (WAS MiLB)
2009 Pitching coach of Gulf Coast Nationals (WAS MiLB)
2010~2012 Rehabilitation Pitching coordinator of Washington Nationals