• SRVGAL -- Umpires wanted for San Ramon Valley Girls Athletic League Softball. 925-575-0815, www.srvgal.org/umpires.html

  • Pleasanton Phantom Girls Softball League -- Registration is ongoing for Pleasanton Phantom Girls Softball League. For girls grades K-12. christine.t@pleasantonsoftball.org, www.pleasantonsoftball.org

  • SRVGAL -- Umpires wanted for San Ramon Valley Girls Athletic League Softball. 925-575-0815, www.srvgal.org/umpires.html

  • Havoc Softball Club -- Tryouts by appointment for the 10U 2011 USSSA State Champion Havoc Softball Club. 925-586-5029, havocsoftballclub1@gmail.com

  • 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

    BASEBALL

  • 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

  • San Ramon Slammers -- East Bay Club Baseball is forming a Spring league for freshmen, sophomores and juniors. See www.sanramonball.com for more information.

  • 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

  • Alameda World Tournament Baseball -- Tryouts by appointment for Alameda World Tournament Basball team. For boys age 15. 928 Magnolia Drive, Alameda. 510-381-3434, rich@dsp.net, www.alamedaworldbaseball.com

  • Bronco Baseball Academy -- Sign-up for summer baseball camp. Designed for players of all skill levels who want to improve their game. 425 Castle Rock Rd., Walnut Creek, 925-899-4037, www.broncobaseballacademy.com

  • California Smoke -- Tryouts by appointment for the U18 California Smoke baseball 2012 fall and 2013 summer teams. San Jose Municipal Stadium, San Jose. 510-715-9813, calsmoke@pacbell.net, www.smokebaseball.com

  • East Bay Zephyrs -- Tryouts by appointment for 13U-14U East Bay Zephyrs Baseball team. 925-324-5883, kylegross10@gmail.com

  • Golden Era Baseball -- Tryouts by appointment for 15U-18U Golden Era Baseball team. 800-331-8752, SayHey@GoldenEraBaseball.com, www.goldenerabaseball.com

  • 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

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

  • Walnut Creek Bulldawgs -- Tryouts by appointment for the U14 Walnut Creek Pony Bulldawgs 2013 spring baseball team. 1630 Challenge Drive, Concord. 925-708-6427, www.walnutcreekpony.org

    BASKETBALL

  • PleasantonYouth Basketball -- Pleasanton Youth Basketball registration is online. Season runs through March. For boys and girls grades 1st-12th. 925-931-3439, www.pleasantonfun.com\

  • East Bay Youth Sports -- Basketball is Fun Clinic, 5:30-7:30 p.m., Mondays. For boys and girls ages 5-12. Walnut Creek Presbyterian Church, 1801 Lacassie, Walnut Creek. $150. 925-952-4450, www.ebys.org

  • UCP Hoops -- United Cerebral Palsy Hoops Special Needs Spring Basketball Camp, 5-6:30 p.m. March 24, and April 14, 28. NorCal Courts, 360 Ferry Street, Martinez. $20 per session, $100 for all six sessions. 925-708-7929, info@ucpgg.org, www.norcalcourts.com/register-forms

  • Warriors Basketball Camp -- Basketball clinic for boys and girls, ages 7-15, March 25 at 12:30-3:30 p.m., Oracle Arena, 7000 Coliseum Way, Oakland, warriors.com/camps, 510-986-5310

    Cycling

  • Fremont Freewheelers Bicycle Club -- 41st Annual Primavera Century, 7 a.m.-5 p.m., April 21. For all ages. Mission San Jose High School, 41717 Palm Avenue, Fremont. $60. Family fun ride: Adults $20, under 18 $10. 520-490-8098, www.ffbc.org/primavera

    Football

  • East Bay Youth Sports -- Registration for Ultimate Tackle Football and NFL Flag Football Seasons, 9 a.m.-3 p.m., through May 5. For boys and girls ages 5-14. Woodside Elementary School, 761 San Simeon Dr. Concord and San Ramon Valley High School, 500 Danville Blvd., Danville. $165-$195. 925-952-4450, www.ebys.org

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

    Gaelic Sports

  • Gaelic Athletic Association -- Registration for spring/summer 2013 gaelic football and hurling season open. For boys and girls ages 6-18. Gaelic Athletic Fields, Treasure Island. 415-574-7534, Kathlyn.quinn.gda.western.usa@gaa.ie

    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, 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

    Lacrosse

  • Walnut Creek Lacrosse Club -- Openings for boys U9-U11 Walnut Creek Lacrosse Club. www.walnutcreeklacrosse.com

    Rugby

  • Lamorinda Rugby Club -- Registration for Lamorinda Rugby Club ongoing. For boys grades 1-12. Miramonte High School, 750 Moraga Way, Orinda. $165-$360. 925-285-3453, www.lamorugby.com

    Soccer

  • 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

    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-Friday), 4-5:30 p.m., at Robert Livermore Community Center Pool, $275 Livermore residents only, 925-373-5751 or www.larpd.dst.ca.us

    JOBS

  • Athenian High School -- Looking for Women's Volleyball Varsity, JV and Frosh coaches and Varsity Boys Basketball coach. Contact Darek Cliff, 925-362-7206, darek.cliff@athenian.org

  • Dougherty Valley High School -- Looking for varsity, JV, and freshman baseball assistant coaches. 925-337-0948, bfreitas@dvhigh.net

  • 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

  • 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

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

  • Rudgear Meadows Swim Team -- Looking for a head coach for the summer aquatics team. Season runs from May-August. 925-944-1404, kermoiant@yahoo.com