So Pucking Magnetic by Jena Wade

For years, Elliot and Silas had the perfect arrangement. Secret hotels, stolen nights, zero strings attached. Silas knew the rules: the alpha referee got the omega star center’s attention when no one was watching, and that was enough.
Except it was never enough.
When Silas gets promoted to Elliot’s league, everything changes. Elliot makes the call that shatters them both: it’s over. No more sneaking around. No more pretending there’s nothing between them when they’re on the ice together.
But ending things turns out to be the hardest play Elliot’s ever made.