ANAHEIM ANGELS Gave RHP Jack McDowell his unconditional release; purchased the contract of LHP Lou Pote from Edmonton. [8/9] Placed 1B/OF Darin Erstad on the 15-day DL, retroactive to 8/11 (strained knee ligament); recalled INF Andy Sheets from Edmonton. [8/13] After going 0-4 in four starts, it looks like Black Jack has forgotten how to…