Ottawa Senators' assistant coach Bob Jones has been diagnosed with ALS, the team announced on Tuesday.Jones, 53, is in his fourth season as an assistant coach for the Senators after he joined head coach D.J. Smith’s staff on July 5, 2019. Prior to joining the Senators coaching staff, Jones was an assistant coach with the AHL’s Texas Stars for one season and held various coaching roles in the OHL for over 20 seasons."A devoted member of our family, Bob Jones, has been diagnosed with ALS," said Senators GM Pierre Dorion in a press release. "Bob and his family's wishes to take the courageous step of making his condition public in an effort to drive ALS awareness as he fights this disease."Ottawa Senators@SenatorsNews Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m864114News Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m https://t.co/qwBqdnbWq5Teams, players and fans of the league paid tribute to Bob and his family to aid him in his battle against ALS.Winnipeg Jets@NHLJetsThe Winnipeg Jets are sending Bob, his family, and the Senators organization our deepest sympathies and thoughts during this difficult time twitter.com/senators/statu…Ottawa Senators@SenatorsNews Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m8010News Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m https://t.co/qwBqdnbWq5The Winnipeg Jets are sending Bob, his family, and the Senators organization our deepest sympathies and thoughts during this difficult time 💙 twitter.com/senators/statu…tak@popunkprettyboy@Senators brutal news. the whole city and sport are with you, Coach2@Senators brutal news. the whole city and sport are with you, CoachPat Maguire@paddymackcomedy@Senators A horrible disease that we seem to be hearing more and more about. So sorry.1@Senators A horrible disease that we seem to be hearing more and more about. So sorry."A horrible disease that we seem to be hearing more and more about. So sorry." paddymackcomedy tweetedKevin Agustin@_kevinagustinUgh, prayers for Bob Jones, get well soon twitter.com/Senators/statu…Ottawa Senators@SenatorsNews Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m879115News Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m https://t.co/qwBqdnbWq5Ugh, prayers for Bob Jones, get well soon 🙏❤️ twitter.com/Senators/statu…Shawn Simpson@TSNSimmerTough news about my old @OHLHoundPower mate Bob Jones who has been diagnosed with ALS. He is such a great and funny guy. Sending nothing but great vibes.341Tough news about my old @OHLHoundPower mate Bob Jones who has been diagnosed with ALS. He is such a great and funny guy. Sending nothing but great vibes.Mimmo@MimmoD7@Senators Awful news, Prayers to Jones and his family. You got this coach12@Senators Awful news, Prayers to Jones and his family. You got this coach"Awful news, Prayers to Jones and his family. You got this coach," MimmoD7 tweeted.Silver Seven@silversevensensSome tough news this morning regarding Sens' coach Bob Jones. Our thoughts are with him and his family. We're pulling for you, Bob!twitter.com/Media_Sens/sta…Sens Communications@Media_SensNews Release: The #Sens have issued a statement regarding the health of assistant coach Bob Jones: ottsens.com/3D9fD1m660News Release: The #Sens have issued a statement regarding the health of assistant coach Bob Jones: ottsens.com/3D9fD1m https://t.co/H4ip6ykOkoSome tough news this morning regarding Sens' coach Bob Jones. Our thoughts are with him and his family. We're pulling for you, Bob!twitter.com/Media_Sens/sta…A fan shared his favorite Bob Jones story and offered him strength during this tough time:"My Bob Jones story: One day, my dad finally relented and let me drive his Volvo to school. I get called to the office & told that someone plowed into it in the lot. I go out & there with a sheepish smile? Bob Jones & his bigass Bronco mounted to poor red 240. Strength, pal."Timbo, Reimagined by Singer@ohheytimboMy Bob Jones story:One day, my dad finally relented and let me drive his Volvo to school. I get called to the office & told that someone plowed into it in the lot 🤬 I go out & there with a sheepish smile? Bob Jones & his bigass Bronco mounted to poor red 240.Strength, pal. twitter.com/Senators/statu…Ottawa Senators@SenatorsNews Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m898116News Release: The #Sens are asking the entire hockey community for encouragement, prayers and support following assistant coach Bob Jones' ALS diagnosis: ottsens.com/3D9fD1m https://t.co/qwBqdnbWq5My Bob Jones story:One day, my dad finally relented and let me drive his Volvo to school. I get called to the office & told that someone plowed into it in the lot 🤬 I go out & there with a sheepish smile? Bob Jones & his bigass Bronco mounted to poor red 240.Strength, pal.👊 twitter.com/Senators/statu…Eric Engels@EricEngelsWishing Bob Jones and his family strength. twitter.com/PR_NHL/status/…NHL Public Relations@PR_NHLStatement from NHL Commissioner Gary Bettman regarding the health of @Senators assistant coach Bob Jones.372Statement from NHL Commissioner Gary Bettman regarding the health of @Senators assistant coach Bob Jones. https://t.co/19uu0zpov9Wishing Bob Jones and his family strength. twitter.com/PR_NHL/status/…ALS, also known as Lou Gehrig's disease, is a progressive neurodegenerative disease that affects neurons in the brain and spinal cord. Unfortunately, there is no known cure for ALS. Patients gradually lose the ability to voluntarily move, speak, and eat. By making his diagnosis public, Bob Jones and his family aim to raise awareness about ALS and raise funds for research. He also urged those willing to contribute to consider ALS Society of Canada and Juvenile Diabetes Research Foundation.Is Bob Jones going to take an indefinite leave of absence?Bob Jones will continue his duties as the assistant coach, with the Senators offering their unending support to him by allowing him to take any time he needs to be with friends and family.The Senators said:"We have been working internally with Bob and his family as he takes on this challenge; while Bob will continue with his coaching duties, he has the full support of the organization to take any time he needs away from the club during the season to concentrate on his health and his family."They have also requested the entire hockey community's support and encouragement for Bob and his family on their journey.