Once a vital cog in India and KKR's attack, Kuldeep Yadav has struggled recently and he is not a regular in the playing XI.
Karthik said the veteran of 700-plus international wickets has overwhelmed everyone by his work ethic in the last one week after he joined the IPL side.
In his second innings at KKR, Shakib is not averse to opening the batting like Sunil Narine or play the role of a finisher, besides bowling those tidy left-arm spin — to seal his place.
Harbhajan will join the likes of Sunil Narine, Shakib-al-Hasan, Kuldeep Yadav and Varun Chakravarthy in KKR's spin department.
Here's the full schedule of Kolkata Knight Riders (KKR) for IPL 2021.
India vs England: R Ashwin slams Motera pitch critics, says there is no rule that defines a 'good surface'
Ashwin feels that it's difficult to explain how a match pans out to those who haven't played the game but forms an opinion based on a third person's view point.
India vs England: Former cricketers feel Motera pitch not ideal for Test match, Sunil Gavaskar thinks otherwise
Gavaskar said the overtly defensive mindset of the batsmen was responsible for their dismissals as most of them got out to straighter deliveries.
India vs England: 'Nothing short of inspirational,' Twitter flooded with tributes as Ishant Sharma plays 100th Test
Ishant debuted in 2007 and has claimed 302 wickets at an average of 32.22 with 11 five-wicket hauls in 99 Tests.
IPL Auction 2021: Finding back-ups to solving middle-order woes, how KKR and SRH went about on bidding day
Here's how Kolkata Knight Riders (KKR) and Sunrisers Hyderabad (SRH) went about their business in this player's auction.
Here's all you need to know regarding the IPL 2021 auction which is slated to begin on 18th February in Chennai.
IPL Auction 2021: Harbhajan Singh, Mohammed Azharuddeen and other Indian players who can spark a bidding war
We take a look at 10 Indian players who can spark a bidding war at IPL auction 2021.
India vs England: R Ashwin overtakes Harbhajan Singh to become second-highest wicket-taker in Tests in India
Ravichandran Ashwin got past Harbhajan Singh, who took 265 wickets at an average of 28.76, by dismissing Ben Stokes on Day 2 of the second Test.
Steve Smith, Glenn Maxwell among players in top bracket for IPL 2021 auctions as 292 cricketers set to go under hammer
There will be 292 players, who will go under the hammer, with 61 slots in eight franchises up for grabs. The IPL governing council has pruned the list of players.
Harbhajan Singh was a part of the CSK team that won the Indian Premier League title in 2018, coming back after a two-year suspension.
R Ashwin more likely to reach 800 Test wickets than 'not good enough' Nathan Lyon, says Muttiah Muralitharan
Muralitharan's stupendous record of 800 Test wickets remains very much intact with Shane Warne (708) and Anil Kumble (619) rounding up the top-three wicket-takers in the longest format.
'Dada, jaldi se theek hone ka', Virender Sehwag, Shikhar Dhawan and others wish Sourav Ganguly speedy recovery
The former skipper felt uneasy while he was at the gym and complained of pain on is left arm. He was subsequently taken to the Woodlands hospital in Kolkata.
Birthway wishes pour in for former India cricketer Yuvraj Singh as he turns 39 today.
At the time of his retirement, Ajit Agarkar had 288 ODI wickets and 1,269 runs under his belt.