Career
Porteous played on the golf team at the University of Tennessee where he earned all-conference and all-region honors. Porteous turned professional after the 2014 Masters, forfeiting his spot in the United States. Open. He made his professional debut at the Maybank Malaysian Open.
Amateur
Eisenhower Trophy (representing England): 2012
Street Andrews Trophy (representing Great Britain & Ireland): 2012
Walker Cup (representing Great Britain & Ireland): 2013.