Coaching Shake-ups and Surprising Wins: A Week in Sports

The past week in sports featured several significant events including multiple NFL coach firings, a major contract for NHL player Christian Dvorak, and notable performances from NBA and college basketball teams. Additionally, prize funds have hit a new high for the Australian Open, marking a record-setting moment in tennis.

This week in sports has been marked by significant events, including several NFL teams making drastic changes to their coaching rosters. In a move to potentially improve future performances, the Browns, Raiders, and Cardinals have all decided to sever ties with their head coaches following a disappointing season.

In other news, the Philadelphia Flyers have secured Christian Dvorak's talents for the next five years with a hefty contract extension valued at $25.75 million. This indicates a long-term commitment to building a competitive team.

Elsewhere, the Australian Open has announced a record-breaking prize fund of $75 million, reflecting the tournament's increasing financial stakes. Meanwhile, notable games in the NBA and college basketball saw surprising victories, as the Charlotte Hornets upset the Oklahoma City Thunder with a decisive win.

(With inputs from agencies.)