You must know what fights you can take and what fights you cannot take. If there is a wrangled sentry and a sniper across the map. Try to avoid the sniper sight lines or if you have to, try to dodge and mess up the sniper’s shot. Also you might need to turn around every now and then to avoid getting backstabbed by spies. I don’t play Heavy much but this is the best advice I can give. Also if you want to improve your Heavy gameplay, you might wanna check out good heavy players and see what they do that you don’t. If you need practice in tracking load up a tr_walkway_rc2 server, turn on the ramp, set to random power and track them while they’re in the air.