Pickleball, a variation of tennis, badminton and table tennis, is growing more popular by the day. So much so that a Chicago-area prison has introduced it to its inmates. Read more: https://usat.ly/2N4JP2c Subscribe: https://goo.gl/E7X3NA Check out the latest in sports: http://www.usatoday.com/sports/ Like Us on Facebook: https://www.facebook.com/usatodaysports Follow Us on Twitter: https://twitter.com/usatodaysports Follow Us on Instagram: https://instagram.com/usatodaysports/