まぁ実際問題、そんな噂が渦巻く中でよく部活が存続してると思うぜ。

Well, for the practical problem, in the midst of those rumours flying around I'm surprised they've been able to keep that club running.

部活のかけもち、大変だと思うけどがんばれよ。

I'm sure it's tough taking part in the activities of two clubs, but good luck!