Ronaldo Vieira was on the bench as Leeds United took on Sheffield United in his first game.
Christiansen took a while to be won around by Vieira, before realising just how crucial the 19-year-old was to Leeds.
Heckingbottom also decided against playing Vieira during his first game in charge of Leeds, which came against Sheffield United, and the youngster was missed.
The midfield trio of Kalvin Phillips, Eunan O’Kane and Adam Forshaw was unable to help Leeds pick up a victory at Bramall Lane, with Leeds falling to a 2-1 defeat.
O’Kane, in particular, struggled - and Heckingbottom should now bring in Vieira as soon as possible.
Although Vieira is far from the finished article, his power and technique in midfield makes him a stand out option for Leeds.
And Heckingbottom should have already realised just how important Vieira is to his new side’s chances this season.
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