The $22 million is for the entire design phase so the design build (DB) contractor will (if they haven't already) line up their subcontractor's, i.e. electrical, mechanical, plumbing, etc. and all of them will work with the DB to design buildable plans and specs.
I haven't seen the contract, but the $2M per game is likely a negotiated liquidated damages schedule and I would assume there's additional damages for missing construction milestones. Both parties likely waived consequential damages (lost income, increased costs, loss of business opportunities) against each other. I've never negotiated a construction contract that doesn't have a mutual waiver of consequentials.