Playing part-time means the final whistle is only the start of the real grind....

https://www.bookmark-maker.win/the-final-whistle-marks-the-start-of-the-real-struggle-for-part-timers-after

Playing part-time means the final whistle is only the start of the real grind. You drag yourself off a heavy, sodden pitch to face a Monday morning shift while your body is still screaming