The NCAA Division I Council voted Wednesday to grant all athletes the ability to transfer once and be immediately eligible, AP reports.

Why it matters: This will fundamentally alter the landscape of major college football and basketball, two sports where the transfer rate is already skyrocketing.

As the college sports world focuses on March Madness, the Supreme Court will hear a case this morning that could change the landscape of the NCAA.

Catch up quick: The 9th Circuit last year sided with former West Virginia RB Shawne Alston in his antitrust case against the NCAA, ruling that schools can provide unlimited academic-related expenses to their athletes.

Sens. Richard Blumenthal (D-Conn.) and Marsha Blackburn (R-Tenn.) in a letter on Monday admonished the National Collegiate Athletic Association (NCAA) for their unequal treatment of men's and women's basketball teams during this month's March Madness tournaments.

Catch up quick: Women's collegiate basketball teams were given a fraction of the resources during their March Madness tournament that the men's teams were provided, including unequal access to workout equipment and the availability of quality COVID-19 tests.

Arkansas Gov. Asa Hutchinson (R) signed a law Thursday barring transgender women and girls from participating in school sports that align with their gender identity.

Why it matters: Republicans in at least 25 states have introduced more than 60 bills targeting trans youth since January. Arkansas is the latest state to pursue school sports as a vehicle for anti-trans legislation.

As recently as three years ago, sports betting was considered taboo. Now, 45% of American adults live in a state where it's legal.

The state of play: 25 states and Washington, D.C., have legalized sports betting, and 21 of those markets (plus D.C.) are live and operational.

Welcome to the NCAA Tournament's "First Four" play-in round, the first official day of truTV Awareness Month.

Tonight's slate (all times Eastern):

Nearly two years in the making, the Big Dance is finally returning from its pandemic-induced hiatus. Ladies and gentlemen, it's time to fill out your bracket.

Driving the news: 68 teams have been invited to the men's NCAA Tournament in Indianapolis — a bubbled basketball extravaganza unlike anything college sports has ever seen.

The ACC and Big 12 Conferences suffered COVID-related setbacks on Friday with announcements that the University of Virginia and University of Kansas' men's basketball teams had withdrawn from their respective conference tournaments, citing positive tests inside the programs.

Why it matters: The cancellations of the two semifinal games illustrate the continued threat the coronavirus poses to team sports, even as the country's vaccine campaign ramps up.

The NCAA announced Friday it will allow a limited number of fans to attend this year's men’s basketball championship in Indiana and some rounds of the women’s tournament in Texas.

Details: The NCAA said it would permit up to 25% capacity at all men’s tournament venues and 17% capacity at all women’s tournament venues from the Sweet 16 through the Final Four.

A majority of concussions in college football occur during practice, not games, according to a study published Monday in JAMA Neurology.

Why it matters: Most rule changes regarding safety come at the game level, but focusing on revisions to training activities "could lead to a substantial reduction in overall concussion incidence," the study asserted.