Blakburn striker Jason Roberts:
"On the way to Cardiff and Gary Speed is still very much on my mind...I hope his Families privacy is respected..My Prayers are with them!!"
Manchester United and Coventry legend Dion Dublin:
"I just cannot comprehend the news about Gary Speed !! I am just .... I don't know what I am ? Its so so sad , what a total legend !!! 42 !!"
"2day feels empty, just nothing in my head apart from memories of Speedo ! I cannot stop thinking about him! 42 years old !!"
"Speedo ... "U were a WARRIOR Sir" !! OMG I'm so so upset !!"
"I'm having waves of emotion and can't control them !!! I just can't except its happened !!!"
Former Sunderland star Michael Gray:
"I was at the @bbc5live studios when the shock news came through about gary speed. My thoughts go out to his family. A true gent. RIP gary"
"My 5000th tweet goes to GARY SPEED.. A true professional, a great guy who will be sadly missed but never forgotten..#RIP,GARYSPEED #LEGEND"
Nottingham star Matthew Derbyshire:
"RIP Gary speed one of footballs true gentlemen . Ule be sadly missed ."