UNAI EMERY is the most effective Premier League boss when it comes to subs – with Arsenal set to bag 20 points from the bench by the end of the season.
And that means that the Gunners will have gained just over seven points on their rivals, according to findings from bwin.
Using data from managers who have taken charge of at least 30 Prem matches since the start of the 2014/15 season, Emery has gained 17 points from 32 subs made.
That equates to 20.2 points gained over a 38-game season.
The next best is current Leicester and ex-Liverpool boss Brendan Rodgers, who from 50 subs made has also netted 17 points.
But because he is not as efficient as Emery, Rodgers’ swaps equal just 12.9 points gained over a season.
Chelsea chief Maurizio Sarri and Man City boss Pep Guardiola are next best, on 12.7 and 12 points gained respectively.
Under-fire Brighton boss Chris Hughton – who faces a battle to keep his job even if the Seagulls stay up – comes bottom of the pile.
He has actually lost three points from 69 subs made, which results in a loss of 1.6 points over the course of a season.
Manchester United star Juan Mata is the most effective sub of those players with at least 20 sub appearances since the start of the 2014/15 campaign.
Mata has made 27 appearances from the bench and picked up 11 points, equating to 0.48 points gained over a season.
That is .1 better than Palace’s Christian Benteke, the next best on the list.
West Ham’s Pedro Obiang is the least effective, losing eight points from 27 bench showings.
That has resulted in the loss of 0.30 points over a season.
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Everton’s Cardiff loanee Oumar Niasse has the best scoring rate from the bench. He scores 0.17 goals when he starts but bags 1.25 from the bench per every 90 minutes.
Chelsea’s Eden Hazard is the opposite, proving a better goalscorer when he starts.
He has 0.42 goals per 90 minutes as a starter and 0.25 as a sub.