BEREA, Ohio -- Barkevious Mingos injury has gone from maybe serious to mysterious. Clevelands rookie linebacker remains sidelined with a bruised lung, a "freakish" injury the first-round pick believes he sustained nearly a week ago on the opening kickoff of an exhibition against Detroit. Mingo was hospitalized for two days with the injury, which he said caused him to twice spit up blood and gave him shortness of breath before he was taken out of last Thursdays game. Mingo said he has been symptom free since last week, but its still not clear when he was injured. Mingo will not play in Saturdays preseason game at Indianapolis, and its likely he will be kept of the final exhibition against Chicago as well. On Wednesday, Mingo was seen taking a nap while lying across several chairs in the locker room. After he woke up, he told reporters that he has improved, but that doctors still arent allowing him to practice. He reiterated that he does not think the injury occurred before last weeks 24-6 win over the Lions, and said he had never had those symptoms before experiencing them on the sideline. "Everything is feeling good," Mingo said. "Everyone is happy with the progress and now were just waiting to see what the doctors say, so we can get back." Mingo was last seen by doctors and had more tests on Tuesday, but the No. 6 overall pick has not been cleared to practice and hasnt been told when hell be able to return to the field. For the moment, hes only allowed to observe practice, and doctors have discouraged him from doing any running. Mingo was joined on the sideline by starting outside linebacker Jabaal Sheard, who was held out with an unspecified knee injury. Browns coach Rob Chudzinski did not mention Sheard as one of the players who would miss practice when he was asked for a list earlier in the day. During practice, a team spokesman said Sheard is day-to-day. The sight of Mingo and Sheard standing side-by-side on the sideline with towels draped over their heads had to be concerning to the Browns, who are counting on the pair to rush the quarterback. With Sheard out, Quentin Groves worked with Clevelands first-team defence on the opposite side of Paul Kruger. The Browns will wait for Mingos bruise to heal completely before hes allowed back on the field. Hes promised hell try to be a patient patient. "Im listening to the doctors, listening to the coaches," he said. "Thats all I know." Chudzinski didnt provide much of an update on Mingo. "The timeline nobody really knows exactly," he said. "It is just a matter of how quickly his body heals." Mingo doesnt recall being hit on the opening kickoff last week or remember any significant impact that may have caused his unusual injury. As he waits for medical clearance, Mingo is doing all he can to stay sharp. Hes asking veteran teammates for pointers and offering encouragement as they go through drills without him. He said its not difficult to stay upbeat while watching. "This is what we do as football players," he said. "We listen to our coaches and if they say we want you to run down there and hit that guy on the play, you go down there and hit the guy on the play. If youve got to sit out for a couple weeks or whatever, you sit out and then you come out ready to go." Mingo, who last month signed a four-year, $16.35 million contract with a team option for a fifth year, could only remember missing one game because of injury. He said its weird having to watch. "Thats one thing they (doctors) were talking about," he said. "You feel great but youre not going to be (great), so you might as well rest up." ---- NOTES: DE Brian Sanford was back after his trade to the Seahawks was rescinded when guard John Moffitt failed his physical with the Browns. Sanford flew to Seattle, took a physical and thought he was starting a new NFL chapter when he was told to head back to Cleveland. It was a strange 24 hours. "Experiences like these, you should soak in, because in this league you never know where youre going to be or whats going to happen," he said. "Im just gonna play as hard as I can and hope I can continue my career playing football." ... Chudzinski named Tashaun Gipson the clubs starting free safety alongside T.J. Ward. ... Chudzinski said Clevelands starters will play most of three quarters on Saturday against the Colts, but running back Trent Richardson and others coming off injuries may play less. ... Rookie CB Leon McFadden intercepted two passes during practice. Green Bay Packers Jerseys Outlet . While the pair of Spain internationals return, midfielder Xavi Hernandez will not be included in the squad after failing to recover from a muscle strain to his left leg. Wholesale Green Bay Packers Jerseys . The Earthquakes (6-9-7) were coming off a 5-0 loss at home last Saturday to FC Dallas. Even with the draw, the Sounders (13-7-3) climbed back into a tie for both the Western Conference and overall top spot in MLS. Seattle, West co-leader Real Salt Lake and East leader Sporting Kansas City all have 42 points. http://www.packerscheap.com/. -- Wichita State is all alone in the record book. Custom Packers Jerseys . Just ask Arsenal fans. However, Arsene Wenger has repeatedly told anyone willing to listen that finishing in that spot is more important than winning a cup competition. Stitched Green Bay Packers Jerseys .Y. - Terry and Kim Pegula have no immediate plans to tinker with their new NFL team.Karamoko Dembele made his debut for Celtics U20 side aged just 13 - so who is he and whats all the fuss about? Hoops fans already have a hero named Dembele - French forward Moussa has scored 12 goals for the Scottish champions since signing from Fulham in the summer - but prodigious namesake Karamoko could soon be thrilling the Parkhead hordes after being fast-tracked through the ranks.The 13-year-old turned out for Celtics development squad - seven years above his age group - in a 3-1 win over Hearts on Monday evening and, according to the clubs official website, the diminutive playmaker didnt look out of place. Whats caught the eye of youth chiefs and how soon might he make his way into Brendan Rodgers first-team plans? Heres the lowdown on the Celtic prodigy already likened to Lionel Messi - including a closer look at him in action...Whats his background? Born in 2003 - the year Henrik Larsson was firing for Martin ONeills side - to parents from the Ivory Coast, Dembele currently juggles his schoolwork at St Ninians High School in Kirkintilloch with his burgeoning football career.He starred for Celtic U15s against European opposition this summer, leaving defenders from Barcelona, Lyon, Deportivo La Coruna and West Brom in a spin at the St Kevins Boys Academy Cup in Dublin. His performances there saw him named player of the tournament - and he also bagged that award in May when his U13 team-mates saw off the likes of Real Madrid and Borussia Dortmund in Belgium to lift the prestigious Bassevelde International Cup.The last time Celtic won that competition - dubbed the Champions League for youngsters - a young Aiden McGeady was named top player... Watch NOW TV Watch Sky Sports for just ££6.99. No contract. How about his style?Footage of the precocious Dembeles eye for goal and penchant for a trick emerged back in August - and swiftly went viral.Coaching website KeepItOnThe Deck, who filmed the below clip, describe Dembele as an explosive winger with incredible power and pace for one so young but he can spark attacks from the centre of midfield as well as cutting in from the wing.None of the Barca lads could get near him, was their verdict after the Dublin tournament. He was just too quick and skilful. Barcelona coaches took note of him. A string of online clips have loftily labelled Dembele the new Messi and hes certainly got plenty of tricks in his locker. As well as direct running and quick feet as he uses his low centre of gravity to bamboozle opponents, he gives one defender the slip with a Cruyff turn at the touchline.Check him out here... Check out Karamoko Dembele in action at the St Kevins Boys Academy Cup 2016.dddddddddddd Video courtesy of keepitonthedeck.com What next?Dembeles age has already proved no barrier to his development and in another potential omen, he replaced 16-year-old Jack Aitchison with eight minutes to go on Monday night - news of his arrival sparking a flurry of Twitter activity.Aitchison became Celtics youngest-ever debutant when he came on - scoring with his first touch - in the final game of last seasons Scottish Premiership season but Dembele will now have that record in his sights.Development squad manager Tommy McIntyre was missing several players through international call-ups for the fixture but the buzz around the clubs youngest Dembele will have put him firmly on Rodgers radar.Celtics talent-nurturers are certainly setting the bar high for their youngsters. The Academy strikes to develop first-team regulars who are capable of performing in the Champions League for Celtic, reads their mission statement.But for now, the club has vowed to make sure his progress continues at a measured pace.Karamoko is still a young boy and has a lot of growing to do, both physically and mentally, head of youth, Chris McCart, told the clubs website. The coaches at our U13 and 14 levels have been fantastic in nurturing his potential but it is crucial that we do not push him too far, too soon.He has a lot of hard work ahead of him to make it to the top and we wont rush that, but we also know Karamoko, and the other talented young players we have here, is at the perfect place to continue his progress and we look forward to seeing what the future holds.Watch Englands tour of Bangladesh, plus Premier League football and the Japan Grand Prix on Sky Sports. Upgrade now and enjoy three months at half price! Also See: Celtic debut for 13-year-old Celtic fixtures Celtic stats Get £10 free bet! 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