Blackburn Rovers v Sheffield UnitedCharityPeopleSunderlandShareBradley Lowery's mum has said she was moved to tears after fans held up a banner in a touching tribute to her son at a Sunderland game this week.Gemma Lowery took to social media yesterday (October 5), writing an emotional response to fans who held up a banner for her son at Wednesday's Sunderland vs. Watford game on October 4.Held up by Black Cat fans, the banner read "There's only one Bradley Lowery" aside a picture of the club's mascot hugging young Bradley.Read more: SWFC praises £25,000 Bradley Lowery...…Blackburn Rovers v Sheffield UnitedCharityPeopleSunderlandShareBradley Lowery's mum has said she was moved to tears after fans held up a banner in a touching tribute to her son at a Sunderland game this week.Gemma Lowery took to social media yesterday (October 5), writing an emotional response to fans who held up a banner for her son at Wednesday's Sunderland vs. Watford game on October 4.Held up by Black Cat fans, the banner read "There's only one Bradley Lowery" aside a picture of the club's mascot hugging young Bradley.Read more: SWFC praises £25,000 Bradley Lowery...WW…