Adam Peaty was absent from Team GB’s 4x100m mixed medley relay team for their final on Sunday evening despite returning to the pool earlier in the day. The 29-year-old was part of Team GB’s quarter that won the inaugural event in Tokyo, but missed Friday’s heats after testing positive for Covid earlier this week. Peaty clinched silver in the men’s 100m breaststroke final last Sunday, but has been recovering from his positive Covid test ever since. Despite missing Friday’s heats, there was still a chance that Peaty would be selected for the final on Saturday night. And his participation in the …