The Ottawa Redblacks have reportedly signed offensive lineman Greg Mack Keller on Monday according to John Hodge.
Gregor MacKellar is six foot four and weighs 311 pounds. The 27-year-old from Timberlea, Nova Scotia, signed with the Edmonton Elks on February 11, 2025. In 2025, MacKellar started 13 games at right guard. Edmonton’s offense averaged 21.9 points per game, 314.7 yards per game, 244 passing yards per game, 98.1 rushing yards per game, 40 touchdowns, and allowed 52 sacks, finishing 7-11 for the season.
The Toronto Argonauts drafted MacKellar in the first round (6th pick) of the 2022 CFL Draft. In 2022, he played three games, and in 2023 started 18 games. In 2023, Toronto’s offense ranked second in offensive average points (29.3), second in offensive touchdowns (56), second in average net offense (377.8), fourth in average rushing yards (113.7), fourth in average passing yards (272.2), and first in the fewest number of sacks allowed (19).
In 2024, MacKellar started nine games. He missed most of the season with a toe injury. In 2024, Toronto’s offense averaged 28.6 points per game (1st), 368.7 net offense (3rd), 121.3 rushing yards (2nd), 265.2 passing yards (6th), 49 touchdowns (3rd), and allowed 40 sacks (8th) when they won the 111th Grey Cup over the Winnipeg Blue Bombers. The Argonauts released him on February 10, 2025.
Collegiately, MacKellar played four seasons at St. Francis Xavier (2018-21), playing 21 games for the X-Men. In 2021, St. Francis Xavier averaged 32.2 points per game, 407.8 total yards per game, 237.2 passing yards per game, 170.7 rushing yards per game, and 16 touchdowns, finishing 6-0 for the season.
