On this day ...

APRIL 8, 1971 — The first legal off-track betting system in the United States opened in New York City.

Today

HIGH SCHOOL BASEBALL

Troy vs. Lapwai (2), 4 p.m. at Clearwater Park

HIGH SCHOOL SOFTBALL

Potlatch at Moscow (2), 3 p.m.

Kamiah/CV at Nezperce, 4:30 p.m.

Kendrick at Culdesac (2), 3 p.m.

Lapwai at Genesee (2), 3 p.m.

HIGH SCHOOL TENNIS

Orofino at Lewiston JV, 4 p.m.

HIGH SCHOOL TRACK AND FIELD

Lewiston, Moscow, Orofino, Clearwater Valley, Kendrick, Deary, Genesee at Kamiah, 4:30 p.m.

SPORTS ON TV

Tennis — Volvo Car Open-WTA early rounds, 8 a.m., Tennis

Horse racing — America’s Day at the Races, 10 a.m., FS2

Golf — The Masters, first round, noon, ESPN

Men’s college hockey — NCAA national semifinal: Minnesota St. (Mankato) vs. St. Cloud St., 2 p.m., ESPN2; NCAA national semifinal: Minn. Duluth vs. UMass, 6 p.m., ESPN2

Men’s soccer — UCLA at Washington, 4 p.m., Pac-12

NBA — L.A. Lakers at Miami, 4:30 p.m., TNT; Phoenix at L.A. Clippers, 7 p.m., TNT

Men’s soccer — CONCACAF Champions League: Columbus Crew FC at Real Estelí FC, Round of 16, 1st leg, 5 p.m., FS1; CONCACAF Champions League: CF Monterrey at Club Atlético Pantoja, Round of 16, 1st leg, 7 p.m., FS1