Former NHL player and popular analyst Jeff O'Neill is said to be "on leave," according to The Athletic.O'Neill has been with TSN for over a decade, currently co-hosting the afternoon drive program One Drive on TSN Radio 150.However, he's not been featured on the program since last week and when it returned to air on Monday, the program aired without the presence of Jeff O'Neill. Host Bryan Hayes during Monday's program provided an update on O'Neill's absence from the show:"He is OK. All we can say is that we appreciate the messaging. We appreciate the concern. We wanted to let you know that the ODog is on leave, and that’s as far as we’re going to go with it. But the show’s going to continue."- via The AthleticAccording to reports, O'Neill has left the company, and there is currently no explanation provided by the network for his departure. As of yet, there has been no official statement from the network or O'Neill regarding his absence from the company.The analyst's absence has left fans worried. Here's how they reacted on Twitter. One said:"The show won't be half as entertaining with him gone. He comes up with the majority of the creative content. His unique personality will be impossible to replace. Hope this is temporary."Four Season Family@FamilySeason@TheAthleticNHL @SeanFitz_Gerald The show won’t be half as entertaining with him gone. He comes up with the majority of the creative content. His unique personality will be impossible to replace. Hope this is temporary.2@TheAthleticNHL @SeanFitz_Gerald The show won’t be half as entertaining with him gone. He comes up with the majority of the creative content. His unique personality will be impossible to replace. Hope this is temporary.Hasek’s Adductor@HaseksAdductor@TheAthleticNHL @SeanFitz_Gerald I hope that Jeff is ok 🏻2@TheAthleticNHL @SeanFitz_Gerald I hope that Jeff is ok 👍🏻round 2 baby, the passion™️@extremelyleafy@TheAthleticNHL @SeanFitz_Gerald Hope everything is ok with O. All the best to him and I hope we get to hear from him when he’s ready/available.@TheAthleticNHL @SeanFitz_Gerald Hope everything is ok with O. All the best to him and I hope we get to hear from him when he’s ready/available.Peter Lynn@Peter_Lynn@TheAthleticNHL @SeanFitz_Gerald This doesn’t have everything I need to know. I learned that Jeff O’Neill is not there because he’s not there.3@TheAthleticNHL @SeanFitz_Gerald This doesn’t have everything I need to know. I learned that Jeff O’Neill is not there because he’s not there.Jeff Robinson 🇨🇦@jeffoakville@ItsDeanBlundell That’s too bad, as with him, OD was the most entertaining sports talk show, period.@ItsDeanBlundell That’s too bad, as with him, OD was the most entertaining sports talk show, period.Russ Likes Sports@RustyHobbs@ItsDeanBlundell Taking a leave of absense is not quiting or being fired. For all you know it could be health reasons or worse family health reasons. Until one of them speaks on it don't assume.@ItsDeanBlundell Taking a leave of absense is not quiting or being fired. For all you know it could be health reasons or worse family health reasons. Until one of them speaks on it don't assume.Mike Babcock@BabcockinTO@ItsDeanBlundell Good analyst but also the type of dude who would burn everything down with everyone if opinions differed.1@ItsDeanBlundell Good analyst but also the type of dude who would burn everything down with everyone if opinions differed.Darcy 🥩🦖@Leafer_11@SenatorsFan Odog is Jeff O’Neil on Toronto sports radio tv show called @OverDrive1050 he used to play for the Leafs and he’s the heart of the show. And the funniest one on there.4@SenatorsFan Odog is Jeff O’Neil on Toronto sports radio tv show called @OverDrive1050 he used to play for the Leafs and he’s the heart of the show. And the funniest one on there.No Spring Chicken 🌱@springmymble@ItsDeanBlundell It was just a matter of time. How did he survive Noodles for this long?4@ItsDeanBlundell It was just a matter of time. How did he survive Noodles for this long?Bud@BudWilliams9@torontomike Is Jeff O'Neil still on overdrive?@torontomike Is Jeff O'Neil still on overdrive?Jeff O'Neill's long career in ice hockeyO'Neill hails from Richmond, Ontario, Canada, and grew up in Kings City, north of Toronto. Before becoming a broadcaster, he played in the NHL and was the fifth overall pick for the Hartford Whalers in the 1994 draft.He spent 12 seasons playing for the Whalers, Carolina Hurricanes, and Toronto Maple Leafs in the league. With the Hurricanes, O'Neill reached the 2002 Stanley Cup Finals but lost to the Detroit Red Wings.During his 12-year stint in the NHL, Jeff O'Neill played in 821 games and accumulated 496 points through 237 goals and 259 assists.