Michael McCann and Robert Raiola

According to the NFL’s CBA, each player gets paid the exact same amount for playing in a postseason game. And if you have a first-round bye? No paycheck that week.

Contract value can fluctuate substantially depending on the state. How might that affect the negotiations for Harper and Machado?

John Tavares will be a hot commodity on the NHL free-agent market, but his decision between six reported suitors could potentially be influenced by the differing taxes where each team resides.

The 49ers’ new franchise QB is still eligible for a Super Bowl share for his time in New England this season. And, thanks to tax laws, he’ll take home more than the GOAT on the field next Sunday

Super Bowl LI is being dubbed as a "tax-free" Super Bowl, but here's why that won't be true for many of the players participating in the game.

No matter how Derek Carr and Khalil Mack might feel about the Raiders' potential relocation to Las Vegas, there's no question their salaries would go a lot farther outside of California.

Donald Trump's proposed tax plan, as well as existing state tax laws and the expiring CBA, could have an impact on MLB's free agency.

Where Kevin Durant signs will be the biggest story of free agency. SI breaks down the state income tax ramifications for the six teams meeting with the NBA All-Star.