When do you know it's time to call a player up?

[brm7675]

Outside of due to an injury, what should a GM and Manager look at from a player at AAA or any other level and decide it's time to see what player X can do on the major league level.

[wlf WV]

Need>40 man roster+managers(both levels)and FO.I don't know.

[texasdave]

If the guy blocking your path is being called E6, that is a pretty solid indicator.