Looks like the indoor lighting wasn't ideal; if it was me I'd probably retake it outdoors. Probably didn't help that it was apparently last minute and had to be done quick. Would there be anyone else involved with the team that could do some editing if needed? or that knows someone who might be able to do it? I think you need to be careful too with what you do with photos of kids and make sure you find a reliable person to do any editing, or have the team find someone. (In other words, I probably wouldn't have it done on a message board; if you display it that might be OK, many teams have the kids' parents sign publicity releases although I don't know exactly what that would cover).
I think one problem with editing in a different background is that it can look unrealistic because the light and shadows from the existing light where the photograph was taken may not match the background. It might be better to use a fun graphic design as a background that fits the baseball theme instead of another photograph (that the kids and families would know is not their ball field or dugout anyway). Or if you can reshoot it and know ahead of time you could figure out a good location at the ball field to suggest to the coaches where to group the kids.
![[No title]](/data/xfmg/thumbnail/31/31702-59b5519e3c9a12b85ca69439a27f5253.jpg?1734160371)