Originally published on ProWrestlingSheet.
Sin Cara is back in training following a lengthy spell on the shelf due to a knee injury.
The SmackDown Live star updated his Twitter followers with a video of himself going one-on-one with a punching bag. And of course, he was wearing his luchador mask.
"Getting ready for my comeback," he captioned the video.
Sin Cara underwent surgery to repair his injured knee back in August of 2018. He also teased his return earlier this month and suggested a possible tag team with Rey Mysterio.
Check out Sin Cara's training video below.