The 25-year-old started his football career with Real Zaragoza, progressing through the ranks before making his La Liga debut in August 2009.
Herrera joined 13-time Premier League champions Manchester United last summer after three impressive seasons at Basque outfit Athletic Bilbao.
And the United midfielder uploaded a snap from his younger days at Zaragoza when Herrera and some of his team-mates met Brazil and Barcelona icon Ronaldinho.
Herrera posted the above photo and wrote: “Do you recognise me? With one of the greatest in football history @10Ronalidihno #TBT #throwbackthursday”
Herrera has scored five goals and has made four assists in 23 Premier League appearances for the 20-time English champions this term.
The Spain Under-21 international has racked up 1,509 minutes of top-flight action for Louis van Gaal’s side over the course of the season.
United face Arsenal at Old Trafford in the Premier League on Sunday afternoon.
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