Complex sentence: In early 1997, Pocklington announced his intention to sell up to 45% of the team on the stock market, but pressure from ATB forced him to abandon this plan and put the team up for sale.
Split into simpler sentences: In early 1997, Pocklington announced his intention to sell up to 45% of the team on the stock market. Pressure from ATB forced him to abandon this plan and put the team up for sale.