Spurs warmed up for the game with a hard fought 1-1 draw at Brighton on Tuesday night while United eased to a 2-0 win at Bournemouth the following evening.
"I was champion with Chelsea with 95 points".
He lifted it with United in 2016 but was sacked two days later and that is the mark of the club and shows what really matters for them.
But speaking ahead of the FA Cup semifinal with Tottenham at Wembley on Saturday, the 55-year-old said United could have their work cut out.
One of the other things that silverware does, as well as keeping the fans happy, is give the players a sense that the club is moving forward - and that is important when you want to keep them.
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The cup will keep them going of course, and obviously I am not saying they don't want to win it.
As well as both being desperate for silverware, United and Spurs have had a similar build-up to Saturday.
In some people's minds maybe the competition has been diminished since the emergence of the Champions League and Premier League, but to be involved in major cup finals is where you make your mark in the game and it's where you need to be. Tottenham have looked solid all season and I think they'll just edge this one tomorrow.
But Shaw, who has endured a largely frustrating time at Old Trafford since signing from Southampton in 2014, hopes to have given Mourinho something to think about as he plots a way past Spurs to the FA Cup final.
Mauricio Pochettino: "Manchester United is a fantasic club who are capable of everything".
I hope it is a classic and there are loads of chances at either end, but I just can not see it being an open affair at all because they are both so good defensively. Paul Pogba was threatened with the axe but was much improved against the Cherries and could now retain his place at the national stadium.
Will Jose Mourinho add to the two trophies he won last season, or will "home" advantage help Tottenham ensure they move to their new stadium with the FA Cup proudly on display? You have to beat teams like West Brom who are struggling for their lives.