The tournament changing college hoops, plus the inevitable 49ers

The Pulse Newsletter 📣 | This is The Athletic’s daily sports newsletter. Sign up here to receive The Pulse directly in your inbox. Good morning! Consider not trading your ace today. Kyle Terada / Imagn Images The longer you watch a sport, the more you discover its maxims. In the NFL, it’s Patrick Mahomes’ late-game magic, or the Chargers glitching out when it matters most (sorry). We can add a new one to the list: the Kyle Shanahan-led 49ers just being good at football, no matter what. San Francisco’s 20-9 win over a pesky Panthers team last night was not spectacular...