He played ‘Irish’ Micky Ward in The Fighter, and actor Mark Wahlberg is certainly excited about the upcoming Floyd Mayweather v Manny Pacquiao fight.

So excited, in fact, that he has put $250,000 on Pacquiao to be the first man to defeat Mayweather when they meet in the richest fight in history in Las Vegas May 2.

Wahlberg contacted musician P Diddy on Instagram and proposed a small wager on the outcome of the fight.

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Diddy, who likes Mayweather, suggested $100,000, but Wahlberg upped the stakes to $250,000.

Mayweather is a warm favourite to beat Pacquiao.

Wahlberg and Diddy are not the only celebs to risk some cash on the result.

One-time Mayweather ally 50 Cent said he would bet more than $1 million on his old friend to beat Pacquiao.

Former basketballer Shaquille O’Neill believes Mayweather will win by seventh-round knockout, and actor Jamie Foxx also feels Mayweather will be too good.

Former NBA star Charles Barkley, however, thinks Pacquiao’s aggression will get the job done.