Tennis
Andy Murray
Tennis player, three Grand Slam titles and two Olympic golds
All evidence
1 record, newest first. Strength changes with age and weight class, so check the date and context before you compare.
2013
- weighted chin-up44 lb
“Murray also does weight-room work, including chin-ups with a 44-pound weight strapped to his waist,”
Added load only; reps not stated, so recorded as 'other' (pull_up needs reps). The same article says he can 'bench-press like a rugby player' with no number.