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

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

  • Antioch Travel Baseball -- Antioch Sluggers 10U has 1-2 roster spots. Two tournaments per month, no monthly dues. Tryout by appointment. Ray 925-699-7106

    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

    Golf

  • First Tee of Contra Costa -- First Tee of Contra Costa spring sessions 4-5:30 p.m. weekdays and 9:30-5:30 p.m. Saturday, through May 24. 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. through 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, April 19, May 3 at 6-9 p.m., and May 4 at 10 a.m.-2 p.m. Dallas Ranch Middle School, 510 G Street, 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. For players ages 4-18. 5641 Lone Tree Way, Brentwood. www.deltabaseballleague.com

    Swimming

  • Brentwood SeaWolves -- Sign-ups for boys and girls, grades 9-12. 925-240-9653, www.brentwoodseawolves.com

    Wrestling

  • Pittsburg Wrestling Club -- Sign-ups for boys and girls grades 3rd-12th. Practices at Pittsburg High School every Tuesday and Thursday, 6-8 p.m., Tony Darone 925-518-6756

    JOBS

  • Carondelet High School -- Looking for a JV cheer assistant. Also looking for Water Polo coaches and JV tennis assistants for the Fall. 925-686-5353 ext. 168, ggreen@carondeleths.org

  • Clayton Valley Charter High School -- Looking for head coaches for varsity, JV, and frosh boys soccer. Email resume to Gregory.Fister@claytonvalley.org

  • Clayton Valley Charter High School -- Looking to fill a teaching and coaching position. Must be credentialed teacher with experience coaching at the High School level. Email resume with three references and a letter of recommendation to Amber.Lineweaver@claytonvalley.org

  • Concord High School -- Looking for a varsity swimming coach, a JV softball coach, a varsity and JV boys volleyball coach. coddingtonm@mdusd.org

  • Concord Parks and Recreation -- Looking for a Field Supervisor on league nights. Willow Pass Community Park, 2748 E. Olivera Road, Concord. 925-671-3423, www.cityofconcord.org

  • De La Salle High School -- Looking for a JV boys tennis coach. brownd@dlshs.org

  • Diablo Football -- Looking for coaches for spring league, which starts in April. 925-305-8162

  • East Bay Youth Sports -- Looking for sports coaches and camp directors. Football, baseball, basketball, soccer, lacrosse, and skateboard. Walnut Creek, Danville, and Dublin locations. 925-952-4450, eastbaysummercamps.com

  • Head-Royce School -- Looking for High School assistant softball, swimming, track and field coaches. Also looking for Middle School boy's volleyball head coach. 510-228-1550, bblakeley@headroyce.org

  • Las Lomas High School -- Looking for an assistant girls varsity volleyball coach and JV head and assistant coaches. 925 457-0091