Tiger Woods holds up the championship trophy after winning during the Arnold Palmer Invitational golf tournament at Bay Hill, Sunday, March 25, 2012, in Orlando, Fla. (AP Photo/John Raoux)

ORLANDO, Fla. (AP) -- Arnold Palmer is being hospitalized overnight after doctors noticed a rise in his blood pressure.
Palmer wasn't on the 18th green at Bay Hill on Sunday when Tiger Woods won the Arnold Palmer Invitational for the seventh time, ending a 30-month victory drought on the PGA Tour.
Alaistair Johnston, vice chairman of IMG and Palmer's longtime business manager, says the 82-year-old is on new medication and was checking his blood pressure throughout the final round. About 15 minutes before the tournament ended, doctors noticed enough of an increase to take him to the hospital for closer evaluation.
Johnston says Palmer was to be hospitalized overnight as a precaution. He says no one is overly concerned.