Lightning winger Ryan Callahan diagnosed with degenerative back disease, hockey career likely over Unknown 18:05 The 13-year veteran is coming off a 17-point season in 2018-19. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsLa Liga: Karim Benzema's brace guides Real Madrid to easy victory over Leganes; Celta Vigo sink AtleticoLigue 1: Kylian Mbappe scores and sees red as PSG outclass Nimes; Patrick Vieira's Nice edge past LyonSerie A: Cristiano Ronaldo draws blank but Juventus continue winning run with narrow win over promoted ParmaAsian Games 2018: Pranab Bardhan, Shibnath Sarkar bust myths around bridge and raise sport's profile with goldAsian Games 2018: Amit Panghal beats Olympic champion to win 49kg Boxing goldUS Open 2018: Roger Federer beats Nick Kyrgios to enter pre-quarters; Angelique Kerber, Alexander Zverev crash out