Myles Garrett’s latest training video has caused fans to worry about the safety of Brock Purdy on Thursday.The San Francisco 49ers and Los Angeles Rams kick off their respective campaigns in Melbourne, Australia at the iconic MCG on Thursday.The 49ers have been exploring Melbourne over the weekendGettyThe Rams are early Super Bowl favorites, thanks to the offseason acquisition of Garrett through a trade with the Cleveland Browns.The trade also led to Aaron Donald coming out of retirement, giving Los Angeles one of the most formidable defenses in recent memory.Fans claim Brock Purdy is in trouble after scary training footageGarrett broke the single-season sack record for the Browns in 2025, while also taking home his second Defensive Player of the Year award.During his latest training session, Garrett brought in the help of an Australian high-performance coach Bill Coffey.NFL Weekly Newsletter - SIGN UP!talkSPORT is your home for NFL in the UK as we launch our biggest year of coverage yet!2026 promises to be an epic year for NFL on talkSPORT – and we want you to join us for the ride.MORE INFO & SIGN-UP HERE!This season will be our biggest ever with live commentary of 90+ games, including behind-the-scenes access to international games and all three London fixtures, plus bumper coverage of Super Bowl 61 at SoFi Stadium.Exclusive interviews, hard-hitting opinion, latest front-office drama and top breaking news – all delivered straight to your inbox each week.Coffey played rugby for Newcastle, New South Wales, and he has worked with multiple NFL players, including Micah McFadden.Coach Coffey could be seen getting winded after teaching Garrett how to properly step into tackles and receiving a few padded tackles from him.The viral footage, which has now amassed over 17 million views on X, was captioned: “There’s a dude currently teaching Myles Garrett how to hit even harder and I think he should be arrested for doing so.”It’s safe to say that NFL fans feel the same way, with some going as far as predicting a tough outcome for 49ers QB Purdy.“Brock Purdy might actually die on the field on Thursday, what am I looking at,” one concerned fan said.“They’re actually training Myles Garrett to become even more terrifying, good luck Brock, hope you make it through,” a second said.Coffey has worked with multiple NFL players before, with an emphasis on footworkCoffey was left winded on multiple occasions after being tackled by GarrettFans have expressed their concern over Purdy’s welfare after Garrett’s videoGettyView Tweet: https://t.co/sH0X5MBvTW“I hope Brock Purdy makes it out of Melbourne injury free, that’s the last thing we need,” a third scared 49ers fan said.“If I was Brock Purdy, I would be shaking in my cleats, this dude is scary af,” a fourth commented.“Good luck Purdy, imagine if Donald plays too, I would just give up and walk off the field,” a fifth concluded.Donald gives cryptic answer to question over Week 1 availabilityWhile the 49ers have been in Australia since last week, the Rams will be making the 16-hour flight on Tuesday, 24 hours before the game.After coming out of retirement, there were questions over whether Donald would be ready enough to suit up for the season opener.The Rams will want Donald on the field as soon as possible, but the veteran gave a cryptic answer to whether he would play or not.Donald left his Week 1 availability wide open in a cryptic messageGetty“Taking it day by day. Come up with a game plan to see what’s going on,” Donald told reporters Monday. “Feeling good, feeling really good. Come up with a game plan and see.“Things are clicking faster than I thought it would be. Even my first day out there, with 11-on-11, things would be a little all over the place. Settled in. “A couple of plays a little rusty. It ain’t where I want it to be, but it’s pretty damn good if you ask me.“To not play football in two years, to be moving how I’m moving, it’s really no dropoff. It’s not where I want to be. “I can see it. I know there are things I want to clean up, that I’m going to clean up. The more reps I do, the more I play, it’ll get there.”Join talkSPORT’s dedicated US Sports YouTube channel every Tuesday and Thursday for our brand new NFL shows. On Tuesdays Will Gavin and US senior reporter Brian T Smith will debate the biggest talking points from the NFL weekend, while on Thursdays Efe Obada joins the crew to talk with players past and present and break down what to look for across the league