Im in the same boat here. The game on Thursday I took off work to watch was shown in SD on two seperate channels. The MLB Extra Innings HD Beta screen does nothing (Comcast Rep had me try this five times after I explained to him I've done it several times with nothing happening). Two hours on the phone and missed a good portion of the game and no resoultion other than a free movie voucher. Its stated all over the internet that ALL games will be broadcast in HD since March or April of 2017...... Its 2018, cars drive themselves but no HD basbeall from Comcast. Abysmal Service.
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