Complex sentence: In January 2013, it was reported that Johnson had been released from Manchester City prior to 25 December 2012, but this was only revealed after a photograph surfaced of him looking overweight and unfit.
Split into simpler sentences: In January 2013, it was reported that Johnson had been released from Manchester City prior to 25 December 2012. This was revealed after a photograph surfaced of him looking overweight and unfit.