1783 in sports describes the year's events in world sport.
Boxing
Events
June — Tom Johnson defeated Jack Jurvis at Walworth in a 15 minute fight. It's not known if this was for the championship or not.[1]
Cricket
Events
A report in the Whitehall Evening Post stated that "the 3rd Duke of Dorset’s cricketing establishment, exclusive of any betting or consequential entertainment, is said to exceed £1,000 a year".
^ abNote that scorecards created in the 18th century are not necessarily accurate or complete; therefore any summary of runs, wickets or catches can only represent the known totals and the missing data prevents effective computation of averages