Date of birth
The Saddlers confirmed the midfielder's return on a one-year deal in August 2018.
The 30-year-old made 32 appearances during his first spell with the Saddlers from September 2015 to May 2017.
Birmingham-born Osbourne started his career with Aston Villa, making 19 Premier League appearances for the Villans and also featuring four times in the UEFA Cup.
He enjoyed loan spells with Nottingham Forest, Middlesbrough and Sheffield Wednesday before signing for Hibernian in August 2011.
After a season in Scotland, Osbourne spent two years at Blackpool and a year with Scunthorpe prior to moving to the Banks’s Stadium.
Injured for the 2015/16 season, he became an important player the following campaign and scored his only Walsall goal in a 1-1 draw with Bradford in December 2016.
Osbourne joined Forest Green in September 2017 and was a near ever-present as Rovers retained their EFL status last term.