List of 2018 Indian Premier League personnel changes

Retention policy The eight IPL franchise teams could retain a maximum of five players from their squad, out of which only three could be retained during the retention period. The teams could also use a maximum of three right-to-match cards at the auction (a maximum of two, if the franchise retained three players during the retention period). The other restrictions on player retention were: a maximum of three capped Indian players could be retained, and only two overseas players and two uncapped Indian players could be retained. The salary deduction for every retained player from the franchise's salary purse was stipulated to be 15 crore, 11 crore and 7 crore if three players were retained; 12.5 crore and 8.5 crore if two players were retained; and 12.5 crore if only one player was retained. For retaining an uncapped player, salary deduction was set at 3 crore. Chennai and Rajasthan, two franchises which were returning after serving a two-year suspension, were allowed to retain players from their respective 2015 squads who were not part of the squads of any of the other six teams in 2017. This meant that Chennai could retain from a pool of 13 players whereas Rajasthan had 6 players to choose from. Retained players The franchises were required to submit their retention lists by 4 January 2018. Player retention was broadcast live on Star Sports, making it the first time that player retention was telecasted. ==Auction==

The player auction for the 2018 Indian Premier League was held in Bangalore on 27 and 28 January 2018. The salary cap for the season was increased from 66 crore to 80 crore, with all franchises needing to spend at least 75 percent of the amount. In total 1122 players signed up to be a part of the auction. The team requested an addition of 9 players in the IPL longlist including Nepalese spinner Sandeep Lamichhane who became the first Nepalese to be listed in IPL auction. The list was shortlisted to the total of 578 players including 360 Indians. This was the first time that both capped and uncapped players were going to be auctioned on the same day. Maximum overseas players: 8; Squad size- Min:18 and Max:25; Budget:₹80 Crore Note: Associate players are not classified as either Capped or uncapped. Sold players The players from Set-1 to 11 were auctioned on Day 1. The players from Set-12 to 19 were auctioned on Day 2. Later in Day 2, players from Set-20 to 62 were auctioned through accelerated process. In later half, the remaining unsold and left players chosen by teams were recalled into auctioned. 64 players were called into Recall Round-1 and 15 into Recall Round-2. Source:Vivo IPL 2018 Player Auction ;Key to sets: • BA: Batsman • FA: Fast bowler • SP: Spin bowler • AL: All-rounder • M: Marquee player • U: Uncapped player : RTM: Players bought using Rights to Match Card. : REC-1/2/1&2: Players unsold originally in their sets but brought back for Recall Round-1 or 2 or both. : DI-REC-1/2/1&2: Players not called in accelerated process but were brought back for Recall Round-1 or 2 or both.. : Note 1: Abhishek Sharma was wrongly categorized in the Set-10-UWK1 in the shortlist was corrected in the auction. : * : Players were in the squad for the season but did not play any match. : 0 : Players mentioned as 0 in IPL matches column were part of the squad but did not play any matches. ==Withdrawn players==

The following players withdrew from the tournament either due to injuries or because of other reasons. Players were signed as replacement of contracted players who were not available to play due to injuries and national commitments. Under IPL rules, the replacements have to be chosen from the pool of players who went unsold in the auction, and cannot be paid more than the players they are replacing, though they can be paid less. } ==Support staff changes==