Pakistan received a massive jolt as pace spearhead Shaheen Afridi was ruled out of the upcoming Asia Cup due to a knee injury. The left-arm seamer suffered a right knee ligament injury while fielding during the first Test against Sri Lanka in Galle last month.The speedster has been advised to rest for four to six weeks by the Pakistan Cricket Board's (PCB) medical team. He is unlikely to return to competitive cricket before October. Thus, the left-arm quick will also miss the upcoming home series against England next month. Pakistan will be hopeful of his recovery ahead of the T20 World Cup.Fans quickly took to Twitter as soon as news of Shaheen Afridi getting ruled out of the Asia Cup broke on social media.A section of fans were waiting with bated breath to watch Rohit Sharma, KL Rahul and Virat Kohli bat against Shaheen Afridi after the latter dismissed the trio in the last edition of the T20 World Cup in the UAE.Here are some of the reactions:ᴡᴀqᴀʀ yᴏᴜɴᴀꜱ (Support IK)@WaqarYo88471863Shaheen Afridi Out of Asia Cup Le:, Kohli & Rohit Right Now #AsiaCup20224Shaheen Afridi Out of Asia Cup Le:, Kohli & Rohit Right Now 😉#AsiaCup2022 https://t.co/ChlV6ROLk4Aqsa🦋@bint_e_aleeyHappiest man on the earth right now #ShaheenAfridi2Happiest man on the earth right now #ShaheenAfridi https://t.co/doCOJGO04nDevesh Sharma@DeveshSharma890Huh Rohit , Rahul and Kohli badly want to destroy Shaheen 🤣 its okay World cup me dho denge🤣#AsiaCup2022 #shaheenafridiHuh Rohit , Rahul and Kohli badly want to destroy Shaheen 🤣 its okay World cup me dho denge🤣#AsiaCup2022 #shaheenafridi𝑺𝒖𝒎𝒓𝒂𝒏 🍾@AgentPerry___Pakistanis Trying to Figure out how to Win Asia Cup without SHAHEEN SHAH AFRIDI #shaheenafridi #ShaheenShahAfridi #Pakistan #AsiaCup2022Pakistanis Trying to Figure out how to Win Asia Cup without SHAHEEN SHAH AFRIDI 💔#shaheenafridi #ShaheenShahAfridi #Pakistan #AsiaCup2022 https://t.co/XmxqmvcVieNamman Tayyab@NammanTayyabPakistan is surelygone. #shaheenafridiPakistan is surelygone. #shaheenafridiAtif Jahangir@AtifJahangir18Shaheen Afridi being ruled out of Asia Cup takes the sting out of India vs Pakistan clashes in Dubai....#AsiaCup2022 #PakvsInd2Shaheen Afridi being ruled out of Asia Cup takes the sting out of India vs Pakistan clashes in Dubai....#AsiaCup2022 #PakvsIndsitar e bekar@iffiViewsIndian batting lineup after the news of Shaheen Afridi out of Asia Cup 114Indian batting lineup after the news of Shaheen Afridi out of Asia Cup https://t.co/ioWnP5yBONAleey@aleeyekyaNo Shaheen Afridi in the Asia cup 🙂#ShaheenShahAfrid #AsiaCup20225No Shaheen Afridi in the Asia cup 🙂💔#ShaheenShahAfrid #AsiaCup2022 https://t.co/1zCSib2pT0Pratham vora@Prathamvora16Pakistan fans now got an excuse that Shaheen afridi was not playing🤡 #ShaheenShahAfridi #indvspak #AsiaCup20221Pakistan fans now got an excuse that Shaheen afridi was not playing🤡 #ShaheenShahAfridi #indvspak #AsiaCup2022AHSAN MIR - IMRANISM@ahsanmir111Shaheen Afridi injury is a huge blow and set back for Pakistani squad.Why is he not given proper rest #AsiaCup20221Shaheen Afridi injury is a huge blow and set back for Pakistani squad.Why is he not given proper rest #AsiaCup2022Also Read: Asia Cup 2022: Here’s the list of English and Hindi commentators for the tournament including Ind vs Pak matchShaheen Afridi to undergo rehabilitation ahead of the 2022 T20 World CupThe youngster is currently in Rotterdam with the Pakistan squad and will continue his rehabilitation to return to full fitness before the T20 World Cup. The Landi Kotal native has established himself as a frontline bowler for his country across all three formats. He has taken 47 wickets in 40 T20Is since his debut in 2018.In a statement, PCB's chief medical officer, Dr. Najeebullah Soomro, said:“I have spoken with Shaheen and he is understandably upset with the news, but he is a brave young man who has vowed to come back strongly to serve his country and team. Although he has made progress during his rehabilitation in Rotterdam, it is now clear he will require more time and is likely to return to competitive cricket in October.”He added:“PCB’s Sports & Exercise Medicine Department will be working closely with the player over the coming weeks to ensure his safe return to competitive cricket."According to PCB, Afridi is expected to be fit for the T20I tri-series in New Zealand ahead of the T20 World Cup.Meanwhile, Babar Azam and Co. will leave Rotterdam for Dubai on Monday (August 22). They will play against India on August 28 in Dubai.Pakistan squad for Asia Cup 2022: Babar Azam (c), Shadab Khan, Asif Ali, Fakhar Zaman, Haider Ali, Haris Rauf, Iftikhar Ahmed, Khushdil Shah, Mohammad Nawaz, Mohammad Rizwan, Mohammad Wasim Jnr, Naseem Shah, Shaheen Shah Afridi (replacement yet to be announced), Shahnawaz Dahani, Usman QadirAlso Read: [WATCH] Asia Cup 2022: When Rahul Dravid got angry at Shoaib Akhtar; former Pakistani speedster revisits memory from Indo-Pak rivalry