Here are some notable connections between the two teams:
• Raiders offensive coordinator Greg Olson spent one season with the Bears, serving as the quarterbacks coach in 2003.
• Raiders tight ends coach Frank Smith joined the Raiders after spending three seasons as tight ends coach with the Bears from 2015-17.
• Raiders wide receivers coach Edgar Bennett played running back for the Bears from 1998-99, appearing in 32 games with 15 starts.
• Raiders quarterback Mike Glennon spent one season with the Bears in 2017, playing in four games and passing for 833 yards with four touchdowns.
• Bears LB Khalil Mack was selected by the Raiders in the first round (fifth overall) of the 2014 NFL draft and spent four seasons with the club from 2014-17.
• Bears WR/RS Cordarrelle Patterson spent one season with the Raiders in 2017.
• Bears defensive coordinator Chuck Pagano spent two seasons as defensive backs coach for the Raiders from 2005-06.
• Bears K Eddy Pineiro was traded to the Bears in 2019 after originally signing the Raiders as an undrafted free agent in 2018.