An interim boss from Old Trafford knows all about the advantages of being a player who can not start every game but is able to make an impact
Ole Gunnar Solskjaer told Romelu Lukaku that replacing Manchester United is not a bad thing, because the counter duty "can change your life".
The Norwegian is ideally placed to comment on the role of an impact player.
He was often neglected for having started the service during a period of Old Trafford under Sir Alex Ferguson's guidance, but he had still taken part in 366 appearances and had earned the reputation as a Red Devils legend.
Solskjaer managed 136 goals for United, including an iconic Champions League winner who completed a Treble triumph in 1999, and has never argued against what was asked of him.
Now he is looking for those on the edge of his plans to adopt a similar position, with Lukaku one of several stars currently running out of play time, as other options are favored.
Asked by United's official website that he sympathized with the decisions Ferguson had to make when he chose artists like Andy Cole, Teddy Sheringham and Dwight Yorke to choose from, Solskjaer said, "Yes, of course.
"There have been so many times in his team talk when you saw he did not like to leave the players out, but that's just the name of the game and you have to be decisive – making decisions and staying true to them.
"Of course, for players who do not start, you have to come and make an impact, as I've learned quite often because it can change your life."
It is not just to attack the moorings that Solskjaer faces selection dilemmas.
The team studded with United stars also includes a series of international artists who try to operate in midfield, with Ander Herrera, Paul Pogba and Nemanja Matic at the moment the preferred choices.
"When you choose a team, you look for balance in a team," added Solskjaer.
"It's not just the midfielders or the attackers or defenders, you look at the whole team.
"Of course, those three midfielders – Paul, Nemanja and Ander – did really well.
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"But then we have Fred, Andreas [Pereira] and Scott [McTominay]. Felli [Marouane Fellaini] He's out injured now but we have a lot of players who can adapt to this.
"At the moment, those three have done really well."
Solskjaer will have to decide whether to attack with a stable side or reshuffle his pack when United returns to the Premier League action on Tuesday night at home in Burnley.