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

  • Antioch Babe Ruth -- Extended registration for ages 13-18 for the upcoming season. 925-757-1787, www.antiochbaberuth.baberuthonline.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

  • Baseball USA Nationals -- Tryouts by appointment for the 13U-18U Baseball USA Nationals teams. 6761 Sierra Ct., Suite B, Dublin. 925-785-5531, Coachfisher44@aol.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

  • Diablo Warriors -- Tryouts by appointment for the U14 Diablo Warriors travel baseball team. Ygnacio Valley HS, 755 Oak Grove Road, Concord. 925-671-7758, emanlaw99@hotmail.com, northrupmb@yahoo.com

  • JOBL -- Tryouts for boys 10U Patriots travel team. March 24, 2-4 p.m., at JOBL Complex, Laura Alice Way and Nelson Ave., Concord, 415-377-9069, www.eteamz.com/jobl

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

  • Spring Baseball League -- Freshmen and sophomores interested in playing competive baseball who are not on a high school team this spring contact Don Gieseke 925-446-6568

    BASKETBALL

  • Warriors Basketball Camp -- Spring break basketball camp for boys and girls, ages 7-15, March 18-22 from 9-1 p.m., Freedom High School, 1050 Neroly Rd., Oakley, warriors.com/camps, 510-986-5310

    Football

  • California Pirates -- Tryouts by appointment for California Pirates adult tackle football team. For players ages 18 and over. 510-472-1166, i_davis2001@yahoo.com

  • 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

    Running

  • Martinez Brickyard Run -- April 7 at 8:30 a.m. Register online at: raceroster.com/events/2013/666/Martinez-Brickyard-Run. Registration will also be available on the morning of the race, starting at 7 a.m. Race entry is $25.00. Contact Kevin Searls at KNSearls@comcast.net

    Soccer

  • Delta Youth Soccer League -- Registration for U6-U19 boys, girls, and top soccer leagues, April 5, 19, May 3 at 6-9 p.m., and May 4 at 10-2 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

  • DFC Soccer -- Tryouts by appointment for girls U14 DFC Gold team. Looking for two players and a goalkeeper. 925-671-2851, 925-200-7491

  • Mustang Soccer -- Registration is open for all ages and skill levels, through June 30, after June 30th a $50 late fee will apply, www.mustangsoccer.com

  • 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

  • Ripon Lady Cyclones -- Tryouts by appointment for 14U Ripon Lady Cyclones. 209-613-8849, 209-629-0312

  • Walnut Creek Adult Softball League -- Men and Womens Spring League, 14 game season and double elimination playoffs, April 1-Aug. 15. Heather Farms Park, Walnut Creek. $785 per team. 925-943-1955, www.wcasi.org

    Swimming

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

    Table TENNIS

  • Concord Table Tennis Club -- Play and Learn Table Tennis, Sundays: 10 a.m.-2:30 p.m., Mondays: 7-10 p.m., Tuesdays: 7:30-10 p.m., and Thursdays: 6:45-10:15 p.m. For players all ages. 796 Grayson Road, Pleasant Hill. $3-$7 a day, $15-$30 for a season membership. 925-689-7463, www.concordtabletennis.com

    Water Polo

  • Lazers Water Polo Club -- Registrations for 14U team through May 17, Monday, Wednesday and Friday's at 4-5:30 p.m., at Robert Livermore Community Center Pool, $275 Livermore residents only, 925-373-5751 or www.larpd.dst.ca.us

    Wrestling

  • Pittsburg Wrestling Club -- Sign-ups for boys and girls grades 3rd-12th. Practices held at Pittsburg high every Tues. and Thurs., 6-8 p.m., Tony Darone 925-518-6756

    JOBS

  • Livermore Valley Charter Prep High School -- Looking for a boys varsity soccer coach and a girls varsity volleyball coach. 925-456-9000, mburstein@lvcp.org

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

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