He was sent down, or demoted.
It means to take a player off their roster... to be released. outright released is the full term, there are other less-direct forms of releasing, such as designating for assignment... but this is just flat-out releasing a player.... taking him off your team (although if they have a contract, you still have to pay them)
No such thing in baseball.
No such category in baseball.
MLB = Major League Baseball :)
dose this baseball have any valual
If you mean what cards do baseball card collectors collect,than all kinds of baseball cards. If you mean What is a baseball card collector, than one who collects baseball cards.
this is called the same in French, baseball.
MR or MGR in baseball means "manager."
On no base