The Red Devils have been linked with some high-profile attacking signings, with a deal for Borussia Dortmund winger Jadon Sancho said to be close and Tottenham frontman Harry Kane also eyed.
With Marcus Rashford being troubled by injuries and Anthony Martial emerging as a target for Inter Milan, Ole Gunnar Solskjaer is looking for more goals ahead of the new campaign.
And German outlet Express.de, (via the Daily Star) reports that United have now turned their interest to Plea.
The report states that the former Nice forward is "among a group of strikers to be examined" for the 2020/21 campaign.