Pilon signed a two-way deal with the Senators on Saturday.
Pilon was reassigned to AHL Hershey on Saturday, Samantha Pell of The Washington Post reports.
Pilon was summoned by Washington on Wednesday.
Pilon was waived by Washington on Sunday. per CapFriendly.
Pilon was sent down to AHL Hershey on Sunday.
Pilon was recalled from AHL Hershey on Monday.
Pilon was placed on waivers by Washington on Sunday.
Pilon agreed to terms on a two-year, $1.5 million contract with Washington on Thursday.
Pilon was recalled from the taxi squad Wednesday, per CapFriendly.
Pilon was assigned to Washington's taxi squad Tuesday.