Soccer is on again in Holland. Winter stop is over. So: Keep Calm and have a brewski. Watch Studio Sport.
For Strobist: Softbox as a whitewall on 1/8 power to the right flash sb910 on a tripod shooting through a brolly on su-4 as a slave on 1/4 power and to the left on a stand flash sb900 on su-4 as a slave with a Westcott Apollo Micro modifier on 1/8 power. Keep in mind that further away is also less light. (en.wikipedia.org/wiki/Inverse-square_law…)