A collection of short stories published in the 40 year anniversary edition of Kodansha's Afternoon magazine, Go-Chan Magazine.

Dekumori Yuuta, a schoolboy who is passionate about soccer aims to become a member of the best group out there!

One day, a girl in school uniform with green hair and squat eyes came out of nowhere like a ghost and freaked Yuuta out badly. That girl turns out to be Omigawa Hanako - the genius soccer player who became Japan's representative in her 3rd year of middle school. The schoolboy is a huge fan of Hanako; however, they met in a scenario where Hanako's spirit is flying around as she's in the state of deep unconsciousness in the hospital.

One thing they both don't know is that Hanako has the power to switch her spirit to other's body with just a sneeze. That's how weird things start to happen to Yuuta's life!

By Shoujo Crusade: Sugimura Nozomi made a pact with her childhood friend Hyoudo Rei who both have a passion for ice-skating that when they grow up, they will both pair up to get into the Olympics. But then Rei moves away. Years later, Nozomi transfers to a school famous for its students' emphasis on ice skating. There she unexpectantly meets up with Rei only to find him indifferent to ice skating. But Nozomi will not give up on her dream even if Rei has and she's determined to make it to the school ice-skating club and bring Rei with her as her partner. Read this manga from right to left

A soccer MANGA.

One shot appearing in Weekly Jump Double Issue 06-07. Written by Ooishi Kouji, known for writing Inumaru. It is the dream of three promising figure skaters to reach the Sochi Olympics. After one of them fall ill, another loses all motivation to make the Olympics and instead focuses all of his energy on making his sick friend laugh. A gag manga of their struggle to reach the Olympics.

From MangaHelpers:

The water polo team at Kamakurahama High School has a new ace player, Torii Ushio, who you wouldn’t expect to be a star athlete if you knew her in the classroom. Nakaoka Riku always took her as a shy person but after seeing what she can do in the water and how fast she can swim, he couldn’t deny that she deserved to lead the team. But late one day after practice, Riku finds out that Ushio has some secrets she has been keeping from everyone. Her family runs a temple and Ushio is the priestess to the dragon god. The descendent of the original dragon god is Sango who is a teenage girl who is the same age as Ushio. She lives in a secret underwater cave and her only friend is Ushio whose role is protector and companion. Through a series of events, Sango joins the water polo team to be close to Ushio and amazes the team with her out of this world swimming ability. [vyc]

From SRoMU:

While on a soccer tour, Toudou Mirai is involved in a shipwreck accident. When he comes to, he finds himself in 19th Century England. With him being saved by a player of the local soccer team named "Durham", Eddie, it seems Mirai will be joining "Durham", a team with their sights set on joining the world's first ever professional league... What with slipping through time, will Mirai ever make it back to the 21st Century?! This is a science fiction soccer story bringing the true talents of playing soccer straight to you!

A series in Young Magazine the 3rd, where authors write the 100th chapter of a series without writing chapters 1-99 first.Ashida Isami is the star player of the Kota High Soccer Club, and childhood friends with its manager, Kaneda Chiyo. Just as his teammates go missing, his mysterious rival recovers from an injury...

What’s a shy girl to do with a whole bunch of hot, sweaty, sporty, cheeky guys?! Especially when she suddenly finds herself their… baseball coach!

Popular playboy Kanzaki has his eye on Asahina, who practices basketball diligently. Only problem is... they're both guys! Or so he thinks...until an unexpected accident uncovers his crush's true identity as a girl. But why is Asahina cross-dressing in a co-ed school? Rivalry and romance begins in the basketball club!

In the Nacchan no Romantic Love series:
V.1 - Kimi wa Ima mo Kimi o (僕は今も君を)
V.2 - Naisho de Kiss o Shiyou (内緒でキスをしよう)
V.3 - Nigeru Natsu (逃げる夏) (Summer of Escape)
A collection of short stories.
The title story focuses around Chihaya, who has a crush on Morisaki. However, the flower arranging school she inherited from her father isn't doing well, and her step-mother wants her to marry into another school to revitalize it. Chihaya disobeys her step-mother and runs away, only to be later rescued by Morisaki. Unwilling to go back home, Chihaya starts to spend the summer at Morisaki's place, painfully aware of the situation... though Morisaki doesn't even seem to notice.
- Storm in Heaven

From Manga Abyss :

1-2. Sleepless Butterfly
The Kinase village is being called “a village protected by god”. Kaya and Rin were raised in a village that’s surrounded by a deep forest. Although they are brother and sister they aren’t related by blood. However, they get along well despite this. Although they are living together peacefully but there is a secret kept from everyone~!?

3. Kaze ni Hana ni Kimi ni
Erika meets Ryousuke, a boy from Tokyo that had a strong passion of swimming until he injured his shoulder, forcing him to abstain from swimming. Ryousuke, having loved the sea for a really long time, becomes really sad, and has lost all hope in finding another way to live. Erika wants to help him...
- Intercross

4. Monochrome World -
Ever since a certain Christmas Day when she was little, Jun has seen the world as Black and White. Even after ten years, her eyes are still like that. She doesn't want to tell anyone about her secret because she's already been "betrayed" once by a friend. After that, they were separated. Little did she know of the suprises in store for her...

5. Alice

Spin-off series, written and illustrated by Miyatani Kengo, representing and describing Doppo's adventures.

From Devious Breezes:

Uesugi Teppei and his father lives deep in the forest in search of a buried treasure. Isolated from society, Teppei became a wild child with no restaints until one day his uncle found him. Teppei finds out that he is actually from a very prestigious family with 5 siblings. For the first time in his life, he will have to attend school and live under his grandmother's rules. Can Teppei really adapt to his new environment?
It was also adapted into an anime that aired from September 12, 1977 to March 27, 1978.

Oneshot.Mangaupdates:Mariko is stuck in a job where she is constantly messing things up and being berated, to the point where she almost wants to just give up entirely. She accepts an invitation to go offroad motorbiking with some guys, to relieve her job stress and possibly even find something in her life she can enjoy.

Centres on three members of a table tennis club at an all-girls school.

A young boy, Gawain, lives in a mountainous, rural area with an increadible love for baseball and making the ball really fly. One day he runs into a visitor to the small area and she introduces him to a sport that can really make a ball take to flight, golf! It just takes one shot and Gawain is hooked. With his grandpa's approval he sets off to Tokyo with this mysterious woman to learn all he can about golf, encountering many colorful characters and obstacles along the way.

From Chibi Manga:

Minako entered in the same high school as her nephew Shuu. And then she figured out that one of her classmate is the guy she loves: Takuma. She will have to make a choice between love and friendship.

Included in this manga is a two chapter short story called Sakura no Kioku in vol. 2:
Her graduation ceremony is approaching. Because she wanted something else, she decided to break up with her boyfriend, but...

Six years ago, following a crushing defeat, a group of friends promised that they will one day take their friend Suzuo to the Koshien. Now in their first year of high school, the friends have reunited behind the pitcher Kitaro Kitaoji to keep their promise. With Suzuo as their manager and Kitaro's signature left-handed, underhand "Submarine Pitch," they may just go all the way.

Won the Kodansha Manga Award for Shounen in 2008.

From Nekohana:
Ako Doumoto's an everyday gal, or gyaru; she likes shopping and has no big aspirations since her exams are a ways away. That all changes when she meets Katayose-sensei, a teacher and coach of the boys basketball team at Ako's school. Head over heels, she chops off her hair and decides to become the manager of the basketball club in order to win his heart.
Will he open to her will or is her close friend Taiji more for her?

Contains the one-shots:
"She is Difficult to Deal With"
"The Love Maze"
"Celebrating Christmas With You"