MLB investigating Mets outfielder Khalil Lee over ex-girlfriend's assault allegationsLee, 24, is currently on the Mets' 40-man roster2/1/2023, 4:47 PMDanny AbrianoManager of Editorial ProductionAndy MartinoMLB InsiderMay 21, 2021; Miami, Florida, USA; New York Mets center fielder Khalil Lee (26) reacts after connecting for a base hit against the Miami Marlins during the twelfth inning at loanDepot Park. / Sam Navarro-USA TODAY Sports