I couldn't help but write this story in my head all the way up to their deaths, but it was too depressing to write all the way through. I figured I'd give you a kind of...head canon post...as a thank you for sticking with me through this story. Even when updating took me a month and my grammar wasn't always up to par with standards.
Don't read on if you want to live the blissful lie that is James and Lily Potter living to the tender age of 102.
James was offered two more professional training offers from the Chudley Cannons and the Foulmouthed Falcons towards the middle of his seventh year. He turned them both down because he wanted to focus on the war efforts and help people like Lily. instead, he found his calling in the Order of the Phoenix, where Dumbledore put his above average dueling skills to work.
Lily gave up commentating the quidditch games halfway through the last season, passing the job on to a young second year Hufflepuff. She was sad and missed it greatly but it was time for her to step down...so that she could properly cheer on her boyfriend without getting warned by McGonagall to tone down her "Potter Cheerleading".
Lily was offered a job by Slughorn to stay at the castle and assist him in teaching Potions. He had hopes of her eventually taking over the position of Potions Master when he retired. She politely declined his offer and instead, was recruited by Dumbledore to put her charm skills to work for the Order of the Phoenix.
At the last game, James happily named Anna captain. Anna led the team to victory the following year and was offered a spot on the Holyhead Harpies. James proposed to Lily at Anna's first game, in the tent after the game. Anna was Lily's Maid of Honor at the wedding a month later. She visited the Potter's quite often whenever she was playing a game in their area; sometimes Shawn Jones would come with her. Those meetings were always the most awkward for the Potters.
The Potter's had a son named Harry.
The Potter's played small games of quidditch together in the living room, it mostly consisted of ending in tickle wars, but it was one way the Potter's enjoyed spending their nights home alone. Soon they spent many nights alone, as they were being tracked by dark wizards for their defiance of the purist propaganda and declines to join the so-called 'revolution'.
Harry became wanted by the most dangerous dark wizard because of a prophecy. Lily hung a mobile of snitches over Harry's crib. They painted owls on his walls. James stopped sneaking out to visit friends. Quidditch games on the radio were switched off in favor of news reports. Lily got Harry a bib with brooms on it and James showed up with a stray cat after a Order meeting.
When Sirius sent Harry his first broom and Harry knocked over the vase Lily's sister had sent, James swore up and down his son was destined to be a chaser, just like dad. Lily secretly hoped that, for her china's sake, Harry would not play quidditch at all. She kept teasing James that Harry would take after his mum and be the quidditch commentator.
They were both wrong, of course.
Many years later, Anna Faith returned to Hogwarts to watch a game with Shawn Jones. She was startled when she spotted a boy with messy jet-black hair leading Gryffindor to a victory after a particularly fantastic catch of the snitch.
"It looks like James." Shawn whispered when Anna nudged her roughly.
Anna was leaning over to ask McGonagall who the seeker was when the Quidditch commentator announced that the mysteriously familiar boy was the Gryffindor seeker, Harry Potter.
Anna cried.
She hadn't cried since the owl brought the morning paper on November 1, 1981 that declared James and Lily Potter dead, leaving their infant Harry Potter orphaned. Shawn shook his hand as he passed on his way to the common rooms with his man friends. Anna was unable to do anything but stare at the seeker.
She would meet him again, after the second war, when his wife joined the Holyhead Harpies. She eventually found him alone at the bar one night after a game. He was grinning up at the front of the bar where his wife was dancing with a lanky boy who had blue hair.
"Have you ever been told how much you look like Lily?" Anna asked kindly as she took a seat beside him.
"Most people tell me I look more like my father." Harry looked surprised, "You knew my mother?"
"Your mother was the commentator at the games and grew to be one of my best friends." Anna replied, "I was the seeker under your father's captaining and you do look remarkably like him when your frowning...but that smile is purely Lily."
Harry's interest became clear when his green eyes lit up and smile reminiscent of Lily crossed his features, "Tell me more about them?"
So Anna told Harry Potter the story of the Quidditch Commentator.