Complex sentence: For 1998, Paul main concern was the Indy Racing League, which he started the season with PDM Racing and Team Pelfrey before landing a competitive ride with Byrd-Cunningham Racing.
Split into simpler sentences: For 1998, Paul's main concern was the Indy Racing League. He started the season with PDM Racing and Team Pelfrey before landing a competitive ride with Byrd-Cunningham Racing.