The Flyers put Richard on waivers Friday, Elliotte Friedman of Sportsnet reports.
Richard was called up by Philadelphia on Wednesday, per Jordan Hall of NBC Sports Philadelphia.
Richard was assigned to AHL Lehigh Valley on Saturday, Adam Kimelman of NHL.com reports.
Richard recorded two assists, including one in the power play, in Saturday's 5-2 win over the Sabres.
Richard scored a goal on two shots, added an assist and went plus-2 in Thursday's 5-4 overtime win over the Senators.
Richard scored a goal on two shots and added two hits in Saturday's 4-3 shootout loss to the Panthers.
Richard was summoned by the Flyers on Wednesday.
Richard was placed on waivers by the Flyers on Friday, Elliotte Friedman of Sportsnet reports.
Richard signed a one-year, two-way contract with Philadelphia on Tuesday.
Richard was sent to AHL Providence on Thursday.