The left-hander struck out 14 batters in a 10-0 victory in five innings over Brooklyn's Prospect Heights High School.
He told the New York Post that his father "would want me to do what I do best, and that's pitching."
The Daily News says the senior could feel by the second inning that it was going to be a special day.
Mitchell Wiener died of the virus on Sunday. He was buried Wednesday.
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ADDITIONAL RESOURCES
For facts about influenza, and more information about swine flu, please visit the Health Department and CDC websites. Some specific resources:
From New York City Health Department
Facts about flu
http://www.nyc.gov/html/doh/html/cd/cdinflu.shtml
From Centers for Disease Control and Prevention
General information about swine flu
http://www.cdc.gov/swineflu/general_info.htm
Swine Flu Case Definitions
http://www.cdc.gov/swineflu/casedef_swineflu.htm
Swine Flu Infection Control and Patient Care
http://www.cdc.gov/swineflu/guidelines_infection_control.htm
Preventing the Flu
http://www.cdc.gov/flu/protect/habits.htm
