Juve currently sit fifth in the table, trailing the Champions League places by a point.
But even if Andrea Pirlo's side do clinch a top four berth, Ronaldo may opt to leave a year before his contract expires.
Man United chiefs are 'monitoring' their former No7's situation with increasing interest.
Solskjaer, 48, remains 'in touch' with Ronaldo, and even asked him for a character reference before signing Bruno Fernandes in January 2020.
CR7's wages would exceed those of current £375,000-a-week top earner David de Gea at Old Trafford.
But United could expect a reduced transfer fee, given Ronaldo's age and the fact that his contract only has one year remaining.
They find his huge commercial pull attractive, as well as the 'relatively short-term' nature of any contract he'd be likely to sign.