All other professional players affiliated with Major League Baseball are signed to minor-league contracts. They can receive an invitation to spring training with their organization's Major League team without being on the 40-man roster. Two types of players generally receive a non-roster invitation: prospect players who are there to gain experience and face tougher competition as well as receive instruction from the Major League team's coaching staff ; and veteran players who were not offered any major league contract by a club. The veteran player is usually signed to a "two-way" salary option—one for their time in the minors and another if they are placed on the 40-man during the season. All spring training invitees are under some sort of contract, to avoid liability if an injury were to occur to the player.
Coaching kids starts with being genuine. Kids don’t expect their Little League Coach to be a baseball guru. They understand that, in most cases, coaches are just the dad or mom of one of their friends on the team. (I recall when Cody Webster and Kirkland National Little League -another suburban Seattle league- won the Little League World Series in 1982. When their coach was asked about his baseball background, his response was ‘I learned from reading a book on coaching baseball’. Yes, he was just a dad from the neighborhood.)
Players attempting to play in MLB often choose not to defect to the United States, because establishing residency in the United States means they must enter the MLB Draft . If they defect to another nation, they can become free agents , allowing them to choose their offer.  The largest contract given to a Cuban defector is outfielder Rusney Castillo 's seven-year contract with the Boston Red Sox , signed in 2014, worth $ million.  First baseman José Dariel Abreu signed a six-year contract worth $68 million with the Chicago White Sox in 2013.  The largest contract given to a pitcher was the $32 million the New York Yankees gave to José Contreras in 2002,  while the Cincinnati Reds signed Aroldis Chapman for $ million in 2010.