Mark Ruffalo, Samuel L Jackson go topless to support breast cancer awareness

Hollywood stars Mark Ruffalo and Samuel L Jackson went shirtless to support the men's breast cancer awareness campaign.

The Avengers: Age of Ultron co-stars posted on Twitter pictures of them in support of One For The Boys' campaign, reported Aceshowbiz.

The 47-year-old Infinitely Polar Bear actor posted a picture of him, writing, "Men get breast cancer too. I'm supporting @One4TheBoys #InTheNipOfTime campaign."

Men get breast cancer too. I'm supporting @One4TheBoys #InTheNipOfTime campaign. Learn more: https://t.co/pqcIgLjxTE pic.twitter.com/drdLwwWDqD

— Mark Ruffalo (@MarkRuffalo) October 27, 2015

Scottish rugby union footballer Jim Hamilton posted a black-and-white picture of him shirtless in a locker room. He also posted some pictures of fellow athletes. 

Raising awareness for breast cancer in men @One4theBoys #InTheNipOfTime #tweetyournipple #nippleselfie pic.twitter.com/r8pJQ1QobC

— jim hamilton (@jimhamilton4) October 27, 2015