Another Interference Question

[Mountaineer]

Originally Posted by JefferMC

R1 on 2B. B2 hits a slow roller straight to F6. F6 backs in to R1's path resulting in "slight"/incidental contact. R1 crosses plate (apparently scoring), B2 is safe at first. Defense then appeals the contact and is granted an out on interference on the contact.

Maybe I have my filter on - but it's the appeal that's getting me here more than anything. I don't know there's an appeal here - it's a judgement call. If I see interference, I have a dead ball and a runner jogging back to the dugout. If I don't - there's nothing to appeal.