The Edmonton Eskimos have signed international running back Nic Grigsby and extended the contract of national safety Cauchy Muamba.

A two year CFL veteran, Grigsby signed with the Winnipeg Blue Bombers in 2014. In his CFL debut, the five-foot-11, 195-pound running back recorded 122 yards on 21 carries. He went on to amass 162 carries for 744 yards and eight touchdowns, as well as 55 receptions for 444 yards and one touchdown in 14 games before his release.



The following week, he signed with Hamilton where he would add another 30 carries for 146 yards and three catches for 29 yards with the Tiger-Cats that season.

During the 102nd Grey Cup game, he recorded 115 yards on 28 carries and two touchdowns. He also recorded one catch for 22 yards.



Prior to the CFL, Grigsby signed as an undrafted free agent with the NFL's Miami Dolphins. He also spent time with the Oakland Raiders and Tampa Bay Buccaneers.



In four seasons (2007-10) at the University of Arizona, he recorded 572 carries for 2,957 yards and 28 touchdowns, and 85 receptions for 508 yards and three touchdowns in 45 games.

Muamba recorded 25 defensive tackles, two quarterback sacks and three interceptions this season.

Since signing with Edmonton as a free agent on Aug. 21, 2014, Muamba recorded 31 defensive tackles, two quarterback sacks and four interceptions in 23 games.

Originally selected by the BC Lions in the fifth round of the 2010 CFL Draft, the native of Kinshasa, Congo amassed 124 defensive tackles, 23 special teams tackles, three quarterback sacks and nine interceptions.