• 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

  • Clayton Valley Charter Camp -- Sign-ups for a three-week baseball camp instructed by Clayton Valley coaches and players. Ages 6-13 can sign-up for one, two, or all three weeks. Camp runs from June 17-July 3, Monday-Thursday from 10 a.m.-1 p.m. 925-285-9417, casey.coakley@claytonvalley.org

  • 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

  • Delta Outlaws Baseball -- Tryouts by appointment for 19U boys traveling wood bat baseball league. Babe Ruth Fields, 1550 Antioch Center Dr. Antioch. 925-997-6529, deltaoutlaws@yahoo.com

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

  • Patriots Baseball Club -- Tryouts by appointment for 12U boys 2011 AWS World Series Champion Patriots Baseball Club. 925-383-1819, concordpatriots1@gmail.com

  • Perk's Sports Academy Baseball/Softball Camp -- Sign-ups for boys and girls, ages 6-18. Camp runs through July 26 (Monday-Friday) ages 13-18: 9 a.m.-noon; ages 6-12: noon-3:30 p.m. 3500 A. Wilbur Ave., Antioch. $40 day or $120 per week. 925-480-7915, www.perkssportsacademy.com, perkssportsacademy1@gmail.com

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

    BASKETBALL

  • Brentwood Summer Basketball -- Sign-ups for boys and girls, ages 4-6. Every Saturday morning from July 20-Sept. 14. Bristow Middle School Gym, $149.50 or $84 for residents. Must register by July 10. 925-516-5444

    Football

  • Antioch Youth Football -- Sign-ups for upcoming fall football and cheer season. For boys and girls, ages 5-14. Every Wednesday. (June 12-July 24) from 7-9 p.m. at Strawhat Pizzia, 3001 Delta Fair, Antioch. $50 registration fee. 925-473-5150, www.antiochyouthfootball.net

  • 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

  • East County Youth Football -- Register for upcoming football and cheer season. 3-5 p.m. on June 23, July 7 and July 21 at Mt. Mike's Pizzia, 1185 2nd St., Brentwood. www.ecyflions.com/index.php

  • Pleasanton Junior Football League -- PSJL Flag Football Masters Division registration open. For boys and girls grades 9-12. $95. 925-989-0540, www.pjfl.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

    Soccer

  • Ballistic United Soccer Club -- Online registration for upcoming fall season for the Pleasanton Recreational Soccer League. For boys, ages 5-19. Must register by June 30 to avoid $50 additional fee. 925-463-6313, www.busc.org

  • Brentwood Indoor Soccer -- Sign-ups for boys and girls, ages 3-5. Every Saturday morning from July 20-Sept. 14. Bristow Middle School Gym, $149.50 or $84 for residents. Must register by July 10. 925-516-5444

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

  • Heritage Soccer Club -- Looking for girls for competitive U15, U16, U17 teams. Email for tryout details. U15 Pride 98 Regional Academy team: mexplaya92@comcast.net; U16 Gold: silvasoccer24_7@sbcglobal.net; U17 Impact: randy@heritagesc.com. www.heritagesc.com, 925-783-3564

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

    SOFTBALL

  • Antioch Adult Softball -- Sign-ups for adults, 18 years and older. League starts in August, games will be played at Antioch Community Park. Informational packets available at Antioch Community Center, 4703 Lone Tree Way. $900/per team. 925-779-7075

  • 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

  • Mayhem Fastpitch -- Tryouts by appointment for 12U Mayhem Fastpitch Softball. 209-915-0439, mayhem-fastpitch@sbcglobal.net

  • Perk's Sports Academy Baseball/Softball Camp -- Sign-ups for boys and girls, ages 6-18. Camp runs through July 26 (Monday-Friday) ages 13-18: 9 a.m.-noon; ages 6-12: noon-3:30 p.m. 3500 A. Wilbur Ave., Antioch. $40 day or $120 per week. 925-480-7915, www.perkssportsacademy.com, perkssportsacademy1@gmail.com

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

    Swimming

  • Brentwood SeaWolves -- Sign-ups for USA swimming and water polo. Boys and girls of all ages. 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