Walsh suffered an ankle injury in his quarter-final win but will take home a bronze medal.
Chinese boxer Xu was returning to action for the first time since outpointing Manny Robles III in November 2019.
BMX freestyle rider Charlotte Worthington is in the final at 2.10am Team GB go for fifth gold in the pool with the men's 4x100m medley relay at 3:30am Alison Young is aiming for gold in the Laser Radial sailing race which gets underway at 4am Max Whitlock will look to defend his pommel horse crown at 10.41am Men's 100m final, arguably the Olympics showpiece event, will be run at 1.50pm
British and Irish Lions head coach Warren Gatland has urged World Rugby to take action against Rassie Erasmus as the Springboks' second Test win was overshadowed by a number of controversial incidents - including questions about whether Stuart Hogg may have bitten Willie le Roux. Gatland says that the Lions now face a “cup final” in the third Test with the Springboks dominating a second half, which they won 21-0, with tries from Makazole Mapimpi and Lukhanyo Am. South Africa, however, got the ru