FILE - This is a 2011 file photo showing New York Yankees baseball player  Mark Teixeira. Teixeira has ended his relationship with longtime agent Scott Boras. Teixeira made the announcement before Wednesday's March 2, 2011 spring training game against Houston. (AP Photo/Charlie Neibergall, File)

Photo by: Charlie Neibergall

FILE - This is a 2011 file photo showing New York Yankees baseball player Mark Teixeira. Teixeira has ended his relationship with longtime agent Scott Boras. Teixeira made the announcement before Wednesday's March 2, 2011 spring training game against Houston. (AP Photo/Charlie Neibergall, File)