Little implied that one reason for being non-committal is the repercussions a callup would have on his current club.

小暗示不确定的一个原因，是叫人上来对他的球队所造成的影响。

youdao

Nationals OF Eury Perez, who made his major league debut with a September callup, went 3 for 3 and scored twice.

WSJ: Gonzalez pitches 2 hitless innings, Nats beat Mets

Pitcher Matt Harvey has impressed since his callup from Triple-A last month.

FORBES: The New York Mets Are On The Right Track