To submit an item to the What's Happening calendar, email ccnsports@bayareanewsgroup.com to request a form. Put "What's Happening" in the subject line. Nonprofit organizations only. You might be asked to submit a copy of your 1099 or 501(c) 3 to verify nonprofit status. Entries are edited for content and are published as space is available.

BASEBALL

  • Pittsburg Little League -- Registration online for Pittsburg Little League 2013 season. $110-$150. 925-291-0107, www.pllca4.org

  • Antioch Little League -- Registration for Antioch Little League 2013 season online. For players ages 4-16. 3001 Delta Fair Boulevard, Antioch. 925-431-8478, www.AntiochLittleLeague.com

  • Delta Baseball League -- Registration ongoing for Spring 2013 Delta Baseball League online. For players ages 4-12. 5641 Lone Tree Way, Brentwood. www.deltabaseballleague.com

  • Antioch Babe Ruth -- Registration for Antioch Babe Ruth 2013 season, 10 a.m.-2 p.m., Saturdays through January and 6-8 p.m. Jan. 23. For players ages 13-18. 5641 Lone Tree Way, Brentwood or 1550 Auto Center Drive, Antioch. 925-757-1787, antiochbaberuth.baberuthonline.com

    Football

  • West Pittsburg Youth Football and Cheer -- West Pittsburg Youth Football and Cheer sign-ups online. For boys and girls ages 5-14. www.wpyf.com


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    Fundraisers

  • Mt. Diablo High School -- Mt. Diablo High School Sport Hall of Fame Crab Feed, 6 p.m., Feb. 16. Proceeds benefit the Mt. Diablo boys and girls sports programs. 611 Gregory Lane, Pleasant Hill. $55. 925-212-9332

    Golf

  • First Tee of Contra Costa -- First Tee of Contra Costa spring sessions 4-5:30 p.m. weekdays and 9:30 a.m.-5:30 p.m. Saturday, March 2-May 24. Registration runs through March 15. For boys and girls ages 5-17. Diablo Creek GC, Boundary Oak GC, Lone Tree GC, Pine Meadow GC, Hiddenbrooke GC. $75 for ages 5-6, $79 for ages 7-17, 925-963-0740, larrylee52@comcast.net, www.thefirstteecontracosta.org

  • First Tee of Contra Costa -- Volunteers needed for First Tee of Contra Costa spring sessions 4-5:30 p.m. weekdays and 9:30 a.m.-5:30 p.m. Saturday, March 2-May 24. Diablo Creek GC, Boundary Oak GC, Lone Tree GC, Pine Meadow GC, Hiddenbrooke GC. 925-963-0740, larrylee52@comcast.net, www.thefirstteecontracosta.org

    Soccer

  • Delta Youth Soccer League -- Registration for U6-U19 boys, girls, and top soccer leagues, 6-9 p.m., March 1, 15, April 5, 19, May 3 and 10 a.m.-2 p.m. May 4. Dallas Ranch Middle School, 510 G Street, Antioch. www.deltasoccer.org

  • Delta Youth Soccer League -- Tryouts for U9-U14 boys and girls Delta Youth Soccer League, Feb 9-10 and Feb. 16-17. 1030 Apollo Ct., Antioch. www.deltasoccer.org

  • Delta Youth Soccer League -- Tryouts for U15-U19 boys and girls Delta Youth Soccer League. 1030 Apollo Ct., Antioch. www.deltasoccer.org

  • Stockton Storm FC 99 -- Tryouts by appointment for U14 Stockton Storm FC 99. 925-250-9941, www.leaguelineup.com/stocktonstormfc99

    SOFTBALL

  • Antioch Little League -- Registration for Antioch Little League 2013 season online. For players ages 4-16. 3001 Delta Fair Boulevard, Antioch. 925-431-8478, www.AntiochLittleLeague.com

  • Delta Softball League -- Registration ongoing for Spring 2013 Delta Softball League, 10 a.m.-2 p.m. Jan. 19; and online. For players ages 4-18. 5641 Lone Tree Way, Brentwood. www.deltabaseballleague.com

    Swimming

  • Brentwood SeaWolves -- Brentwood SeaWolves sign-ups are open. For boys and girls grades 9-12. 925-240-9653, www.BrentwoodSeaWolves.com

    Water Polo

  • Ohlone Renegades -- Registrations ongoing for Ohlone Renegade Club Water Polo. For boys and girls grades 5-12. $250-$350. 510-742-2303, ohloneh2opolo@yahoo.com

    JOBS

  • Antioch Babe Ruth -- Looking for umpires. Training provided. 925-757-1787, rickhilton@comcast.net

  • Los Medanos College -- Looking for an assistant softball coach. 925-439-2181 ext. 3140, TGriffith@losmedanos.edu