• Warrior ELITE Basketball -- "BALLIN' IN THE BAY" 3 on 3 Basketball Tournament on Feb. 23. For players grades 3-12 and adults. Signups: 1555 Riverlake Road, Discovery Bay; Tournament: 14301 Byron Hwy, Byron. $20 per player. 925-766-6864, www.warriorelitebasketball.com

    BASEBALL

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

  • 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

  • Antioch Babe Ruth -- 2013 Baseball Season tryouts, Feb. 23 for players 16-18, 10 a.m.-1 p.m. Register at 1550 Auto Center Drive, Antioch, or online at antiochbaberuth.baberuthonline.com, 925-757-1787

  • 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

    Football

  • 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

    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, March 2-May 24. Registration runs from Jan. 14-March 15. 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. Saturday, March 2-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

    Soccer

  • Delta Youth Soccer League -- Registration for U6-U19 boys, girls, and top soccer leagues, 6-9 p.m., March 1, 15, April 5, 19, May 3 and 10 a.m.-2 p.m. May 4. 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

    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

    Swimming

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

    JOBS

  • Antioch Babe Ruth -- Looking for umpires. Training provided. 925-757-1787, rickhilton@comcast.net

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

  • 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