REPORTER: PENGUINS OFFICIALS ARE ASKING ANYONE WHO COMES TO MONDAY'’ PRESEASON GAME TO WEAR A MASK. IT IS NOT REQUIRED BUT IT IS RECOMMENDED HERE AT THE PPG PAINTS ARE.NA IF YOU ARE INSTEAD HEADED TO WATCH A PRACTICE, MASKS ARE REQUIRED FOR SOME THERE. >> REALLY COOL PRACTICE. FIRST TIME I’VE EVER BEEN HERE FOR A PRACTICE. REPORTER: EVER BE HENERE FOR A -- FROM THE STANDS SOME MASKED, SOME NOT FANS WERE FINALLY BACK. THE RULES INSIDE THE UPMC LEMIUEX SPORTS COMPLEX WHEREHE T PENS PRACTICE REQUIRE MASKS FOR THOSE NOT FULLY VACCINATED AND ANYONE 11 OR YOUNGER BECAUSE THEY CAN’T BE. >> IF I HAVE TO WEAR A MASK I WEAR A MASK. REPORTER: FOR FANS THE RUSLE HERE DIDN’T SEEM TO MATTER. AT PPG PAINTS ARENA EREWH PRESEASON BEGINS MONDAY THE RULES ARE A BIT DIFFERENT. >> WE ARE FOLLOWING ALL OF THE LOCAL RECOMMENDED RULES RECOMMENDING MASKS FOR ALL ATTENDEES, REGARDLESS OF VACCINATION STATUS. THAT FOLLOWS CLOSELY WITH THE CDC GUIDELINES. REPORTER: SO WHILE MASKS ARE RECOMMENDED AND VACCINATIONS ENCOURAGED, NEITHER ARE REQUIRED AT PPG PAINTS. BUT THE PENS GM SAYS THE TEAISM DOING THEIR PART. >> WE HAVE ONE PLAYER AT THE MOMENT WHO WE EXCTPE TO BE FULLY VACCINATED IN THE NEXT FEW WEEKS. OTHER THAN THAT WE’RE ALL GOOD. REPORTER: AND FOR THE PLAYERS THIS HAS BEEN ABOUT GETTING THE CROWDS BACK SAFELY HERE FOR OPENING DAY OF TRAINING CAMP >> T' ’S NICE TO HAVE FANS BACK IN THE PRACTICE RKIN AND GETTING THAT EXCITEMENT FOR US TO BE HERE. WE ARE ALL EXCITED TO GET GOING AGAIN. REPORTER: ONE FAN WE SPOKE TO SAYS NO MATTER ETH RULES OR THE DISTANCE HE TRAVELED FROM OHIO, HE WILL BE HERE. >> IF I GET TO SEE THE PENS AND WEAR A MASK THEN I GET TO SEE THE PENS AND WEAR A MASK I DON’T CARE. REPORTER: SO IN ADDITION TO THE MASKED RECOMMENDATION HERE AT PPG PAINTS ARENA, IT IS ALSO NOW A MOBILE ONLY FACILITY. THAT MNSEA YOUR TICKETS HAVE TO BE DISPLAYED ON YOUR MOBILE PHONE AND CASH IS NO LONGER USED. REPORTING LIVE AT PPG PAIN