UPDATE: I added a new video with the finals below the first video, scroll down to watch it.
If the results will ever be posted, you should be able to find them at this link:
walunderground.com ► WAL MAJORS – PHILADELPHIA, SATURDAY MARCH 4TH 2017 – PHILADELPHIA , PENNSYLVANIA
https://www.facebook.com/WorldArmwrestlingLeague/videos/833671186782315/
Source: World Armwrestling League
https://www.facebook.com/WorldArmwrestlingLeague/videos/833736376775796/
Source: World Armwrestling League