• Perk's Premier Softball Club -- Looking for experienced players for girls 10U competitive team. Tryouts every Tuesday and Thursday from 6:30-8:30 p.m. at Willow Pass Park, 2478 E. Olivera Rd., Concord. To schedule a tryout contact 925-383-1819, bill@perkssportsacademy.com

    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 3-12. Practices at Pittsburg High School every Tuesday and Thursday, from 6-8 p.m. Contact Tony 925-518-6756

    BASEBALL

  • Antioch Babe Ruth -- Registration open now for boys and girls, ages 13-18. Looking for players, coaches, managers and umpires every Saturday from 10 a.m.-2 p.m. at Babe Ruth Complex. 1150 Auto Center Dr., Antioch. Register at www.antiochbaseball.com, 925-757-1787, antiochbaberuthpresident@yahoo.com

  • East Bay Baseball League -- Freshmen and sophomores interested in playing competitive baseball but are not playing for a high school team contact Don Gieseke 925-446-6568, don@thefieldhouse.net

  • Walnut Creek Pony Baseball -- Competitive baseball program is looking to fill open positions in their 9U-14U rosters. To set up a tryout contact coach Don 925-708-6427. The Fieldhouse, 1630 Challenge Dr., Concord. don@thefieldhouse.net, www.walnutcreekpony.org

    BASKETBALL

  • Winter East County Midnight Basketball -- Register for East County Midnight Basketball for boys and girls, ages 17 and up. . East County Boys and Girls Club, 1001 Stoneman Ave., Pittsburg. $20, includes jersey. 925-957-8096, ecmbl.squarespace.com

  • NorCal Courts Spring Camp -- Register for five-day camp for boys and girls, grades 2-8. April 7-April 11 from 9 a.m.-noon at NorCal Courts. 360 Ferry St. Martinez. $110. 925-457-5081, www.norcalcourts.com/register-forms-payment/

  • NorCal Courts Clippers Spring Camp -- Five-day camp for boys and girls ages 7 and up. From 9:00 a.m.-1:30 p.m. on April 21-25 at NorCal Courts. 360 Ferry St. Martinez. $110. 925-457-5081, www.norcalcourts.com/registerformspayment/

    Football

  • East Bay Youth Sports -- Sign-ups for upcoming NFL Flag Football league, Spring Tackle Football camp, and contact flag football leagues, for boys and girls ages 5-13. Afternoons running from through May 17 in Concord, Clayton, San Ramon, Pleasanton, Orinda, Castro Valley, Martinez, Antioch and Pittsburg. $195. 925-952-4450, www.ebys.org

    JOBS

  • Diablo Flag Football -- Looking for coaches and referees for upcoming spring season, in Walnut Creek, Dublin and Brentwood. 925-625-2222, diablofootball@hotmail.com, www.diablofootball.com