White balance?

I tried various settings in camera and PP but I can't get rid of this awful yellowness, can anyone advise?
I had to push the ISO up to 2200 on the K-7 with the DA*16-50 to get a fast enough shutter to prevent blur. And as they were moving targets I couldn't go very wide or I would lose any depth.
Anyway enough excuses can the experts tell me where I'm going wrong?




Thanks,
Steve

Was it shot in RAW and what software do you've?

The photo was shot under tungsten lighting and you probably didn't change the WB to that.

With some luck you can use his shirt or the white wall on the left to balance things out.

Thanks Stefan,
I have the raw file, the white balancce was set to auto, I did try other setting but it didn't seem to make any difference so I played safe and set it to auto. I have LR3 and PSE8.
I will need you to explain in simple terms about setting the white as I'm not sure how to do it.

Thanks,
Steve

In LR3 select the dropper which is in the white balance section. Drag the dropper to a white area on the sign. Job done, hopefully

I did what Alan said but used the white of his shirt instead and that worked out quite well

Awesome, thanks guys, that's much better!!