Mumbai Indians have received a significant boost ahead of their IPL 2026 clash against Chennai Super Kings at the Wankhede Stadium on April 23. As per Cricbuzz, Will Jacks has arrived in India and was spotted training with his MI teammates at the Wankhede ahead of the Thursday fixture. The 27-year-old English all-rounder had requested a short break after a packed international schedule that included four of England's five Ashes Tests followed by the Sri Lanka white-ball tour and the T20 World Cup where he won four Player of the Match awards despite England's semi-final exit against India. His arrival comes at the perfect moment for a franchise that is suddenly looking like a very different team from the one that lost four games in a row earlier in the season. FINALLY WILL JACKS IS HERE 💙 pic.twitter.com/jwaeidLDnK — R A T N I S H (@LoyalSachinFan) April 21, 2026 MI vs CSK: What Will Jacks brings and where he fits in the Mumbai Indians lineup Jacks scored 226 runs and took nine wickets in the T20 World Cup establishing himself as one of the most complete all-rounders in the England setup. For MI he strengthens both departments. As a big-hitting middle-order batter he adds a dimension the lineup has been missing in the early weeks of the tournament. As a quality spinner he gives Hardik Pandya an additional bowling option alongside Allah Ghazanfar and Mitchell Santner though the competition for spin slots is now significant. He has opened once for MI in the past and could provide a new partner for Quinton de Kock at the top if the management decide to reshuffle the batting order. In recent international cricket he has batted at six and seven for England which suggests the most likely role is as a middle-order enforcer who can also bowl his four overs through the innings. Also READ: 3 players who can replace Ayush Mhatre in CSK XI as hamstring tear ends teenager's IPL 2026 campaign The turnaround and what the GT win changes for MI Jacks arrives in a dressing room that looks considerably more confident than it did a week ago. Mumbai Indians beat Gujarat Titans by 99 runs at the Narendra Modi Stadium on April 20 in a performance that was their most complete of the season. Tilak Varma was the centrepiece scoring an unbeaten 101 off 45 balls with 82 of those runs coming off his last 23 deliveries to take MI from a modest position to 199 for 5. The bowling then bundled GT out for just 100 in 15.5 overs with left-arm pacer Ashwani Kumar taking four wickets and Jasprit Bumrah finally ending his wicketless run in IPL 2026 by dismissing Sai Sudharsan for his first wicket of the season. The relief in the MI camp after Bumrah's breakthrough was visible. MI have moved from tenth to seventh on the table and their net run rate has climbed to plus 0.067. The CSK game on Thursday at the Wankhede is now a genuine opportunity to build on that momentum with a full squad available for the first time this season.