Both Rangers and Celtic secured comfortable wins in the Scottish Premiership over the weekend.
Celtic are reliant on the Hoops striker for goals but Beattie thinks the Bhoys cannot allow themselves to be short of cover in case the Parkhead prodigy is sidelined.
Odsonne Edouard and a Richard Tait own-goal saw Celtic beat Motherwell 2-0 in Sunday's Scottish Premiership clash at Parkhead.
Neil Lennon's Celtic brought three points back to Parkhead as the Hoops reached the last 32 of the competition.
Celtic had a big win in the Europa League.
Celtic and Rangers are closer than ever with Steven Gerrard and Neil Lennon going head-to-head for the Scottish Premiership title.
Celtic cruised to a 4-0 Scottish Premiership win at Aberdeen with James Forrest, Odsonne Edouard, Jeremie Frimpong and Mohamed Elyounoussi scoring.
Odsonne Edouard and Fraser Forster could be the difference between a win and a loss as Celtic host Serie A giants Lazio in the Europa League tonight.
Celtic hitman Odsonne Edouard has been in red-hot form this season as speculation about his future intensifies.
Celtic striker Odsonne Edouard has been in fine form this season.
Raheem Sterling has brought his scrap with Liverpool's Joe Gomez to the England setup.
Leeds United, Fulham and Stoke City are all being credited with an interest in the Middlesbrough defender.
Both Tottenham Hotspur and Arsenal are enduring very difficult times as their hopes of finishing in the Champions League places at the end of the season is under threat.
YouTube and Twitch stars Albert Chang and Lily 'Pichu' Ki have broken up with fans desperate to know why.
Chelsea are currently eight points behind Liverpool as things stand in the Premier League table.
Liverpool are now nine points clear of Manchester City in the Premier League table and eight points clear of their nearest rivals, at this moment in time, in Leicester City.
Tottenham Hotspur have had a poor start to the season.
Chelsea youngster Reece James was given his full Premier League debut by Frank Lampard at the weekend.
The 23-year-old will not officially return to Celtic until late 2020.
Marcelo Bielsa’s Leeds United won against Blackburn Rovers at the weekend.