The Ottawa Senators announced today that the club has signed defenceman Ben Harpur to a two-year, one-way contract extension. The contract will carry a value of $650,000 in the 2018-19 National Hockey League season and $800,000 in the 2019-20 season. Harpur, 23, has recorded one point in 20 NHL games with Ottawa this season. The 6-6, 223-pound native of Niagara-on-the-Lake, Ont.