Derbyshire Falcons batter Wayne Madsen announces he is retiring from domestic T20 cricket. Multiple outlets report that the all-time leading run-scorer for Derbyshire in the T20 Blast is stepping away from the competition. Madsen’s retirement announcement is specifically tied to the domestic T20 format, with coverage indicating he will no longer play in the T20 Blast. The reports describe Madsen as a key figure for Derbyshire in the tournament, citing his status as the club’s leading T20 run-maker. His departure means Derbyshire will look to replace his experience and batting output in upcoming T20 Blast campaigns. The outlets’ coverage is consistent on the core points: Madsen is the Derbyshire Falcons’ all-time leading T20 run-scorer and he has chosen to retire from the domestic T20 Blast competition. Further details on any involvement in other formats or future roles are not included in the provided summaries.