His two goal tally since signing permanently has cost £11 million per goal and work out a goal on average every 538 minutes of play. His 1,077 minutes have cost West Ham £20,427 per minute played so far.
Diafro Sakho signed for West Ham in August this year for an initial fee of £3.5m earning just £15,000 per week. He has made just five appearances so far this season, three as a substitute and two full 90 minutes totalling 268 minutes on the pitch.
Even at this early stage of his Hammers career he is cheaper than Andy Carroll at £13,507 per minute played and each of his five goals work out at £724,000 per goal. This can only improve as the season progresses. The real value is a goal on average every 53 minutes, an impressive statistic if he can keep that up.
When it comes to a return on investment there can be only one winner!