There is no set starting salary for a MLB player as that is negotiated by the player and the team. The minimum salary for a MLB player in 2006 was $380,000 and the average salary for a MLB player in 2006 was $2,699,292.
Career wise, that would be Tony Gwynn (1982-2001) with a .338 career average. As of the start of the 2008 season, Gwynn ranks 20th all time in MLB career batting average. For a single season, that would be George Brett (1973-1993) with a .390 average in the 1980 season.
Hugh Duffy of Boston in 1894 with a Batting average of .440.
Through the 2008 season, there has never been an MLB player that was born in El Salvador.
The minimum season salary for a player in MLB is $380,000.
3.2million on average per season
MLB player Brandon Belt made $2900000 in the 2014 season.
MLB player Alex Torres made $509000 in the 2014 season.
MLB player Chris Davis made $10350000 in the 2014 season.
MLB player James McDonald made $1000000 in the 2014 season.
NBA player Ryan Kelly made $490180 in the 2013-2014 season.
MLB player Josh Donaldson made $500000 in the 2014 season.
MLB player Kyle Gibson made $502500 in the 2014 season.
MLB player Andrew Cashner made $2400000 in the 2014 season.
MLB player Will Middlebrooks made $540500 in the 2014 season.
MLB player Will Venable made $4250000 in the 2014 season.
MLB player Chris Sale made $3500000 in the 2014 season.