• Triple Crown Baseball -- Triple Crown Baseball High School Baseball Showcase Event, 8 a.m.-5 p.m., Oct. 6-7. For class of 2013 and 2014 high school players to go through workouts and play in front of up to 30 collegiate baseball coaches. Heritage High School, 101 American Avenue, Brentwood. $395. 925-212-7752, info@triplecrownbaseballcamp.com, www.triplecrownbaseballcamp.com

  • Concord Patriots -- Tryouts for 12U Concord Patriot Baseball Team, Mondays and Wednesdays through September, 5:30-7 p.m. JOBL complex, end of Laura Alice Drive & Nelson, Concord. 925-595-1893, amerwire@sbcglobal.net

  • 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

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

    Swimming

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

    BASKETBALL

  • Pleasant Hill Recreation and Park -- Pleasant Hill Recreation's Adult Drop-In Basketball, Mondays, 6:15-8:15 p.m., Fridays, 5:30-7 p.m., and Sundays, 8-10 a.m. PH Education Center Gym, 1 Santa Barbara Road. $5. 925-682-0896, www.pleasanthillrecsports.com

  • NorCal Courts -- NorCal Courts Adult Drop-In Basketball, 11 a.m.-1 p.m. Fridays and 6-9 p.m. Sundays. 360 Ferry St, Martinez. $5. 925-465-4498, norcalcourts@gmail.com

    Football

  • Delta Patriots Football -- Delta Patriots Youth Football and Cheer registration online. For boys and girls ages 5-14. 5641 Lone Tree Way, Brentwood. $425 for football, $545 for cheer. 925-626-3737, deltapatriots@deltapatriots.com, www.deltapatriots.com

  • 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

    Fundraisers

  • Queen of All Saints CYO -- Alan David Vasilauskas Memorial Golf Tournament Fundraiser, 11 a.m. Oct. 13. Proceeds raised to help struggling families pay for registration fees. Diablo Creek GC, 4050 Port Chicago Highway, Concord. $100. 925-206-6699, qas_cyo@yahoo.com

    Rowing

  • Oakland Strokes -- Registration to try novice rowing for two weeks, 4-6 p.m. daily through the fall. For boys and girls grades 9-12. Tidewater Boating Center, 4675 Tidewater Avenue, Oakland. $220. 510-434-1755, www.oaklandstrokes.org

    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

    Volleyball

  • Pleasant Hill Recreation and Park -- Team registration deadline for Pleasant Hill Recreation's Adult Volleyball League Oct. 2. PH Education Center Gym, 1 Santa Barbara Road. 925-682-0896, sgeorge@pleasanthillrec.com, www.pleasanthillrecsports.com

    JOBS

  • 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

  • Liberty High School -- Looking for a boys freshman basketball head coach. libertybasketball@hotmail.com

  • Los Medanos College -- Looking for an assistant softball coach and pitching coach. 925-439-2181 ext. 3140, TGriffith@losmedanos.edu