The Kansas City Chiefs have added two new players to their offseason in the past few days. According to the NFL's transactions list, the Chiefs signed former Utah / Nevada WR Corbin Louks late last week and then this week they signed former UCLA DB Aaron Hester. They were both signed to futures contracts, which basically means they weren't on a roster at the end of the 2014 season.
Louks, 6'0 and 200 pounds, had been on the Chiefs practice squad earlier this season before being released. He went to Utah where he played quarterback and running back before transferring to Nevada where he played receiver and safety. He spent time with the Seattle Seahawks in 2012 before moving onto the CFL.
Hester, 6'2 and 200 pounds, went to UCLA where he played cornerback. He went undrafted in 2013 before spending some time with the Denver Broncos, Detroit Lions and San Diego Chargers over the past year. He has the size (over six feet) that the Chiefs look for in a cornerback. There is plenty of uncertainty in the Chiefs secondary so this isn't a bad place to try and catch on. To answer your question -- yes, he is related to Devin Hester (cousins).
Shortly before the new year, the Chiefs signed 14 new players to futures contracts.
Ten players were signed off the practice squad: TE Brandon Barden, WR Armon Binns, LB JoJo Dickson, DT Hebron Fangupo, G Ricky Henry, DB Deji Olatoye, G Jarrod Pughsley, TE Adam Schiltz, WR Fred Williams, DE Jerel Worthy.
And four new players were signed: T Derek Sherrod, RB Spencer Ware, T Curtis Feigt and LS Jorgen Hus.