Read this article and answer this question Coming off their win over the Texans the Titans flew to Arrowhead Stadium for an AFC duel with the Chiefs. In the first quarter the Titans trailed early as QB Matt Cassel threw a 14 and a 5-yard TD pass to RB Jamaal Charles. This was followed by kicker Ryan Succop nailing a 35-yard field goal, then with Cassel making a 75-yard TD pass to WR Dwayne Bowe. They tried to come back as QB Kerry Collins got a 53-yard TD pass to WR Kenny Britt, but had more problems as Collins' next pass was intercepted by SS Eric Berry and returned 54&#160;yards for a touchdown. This was followed by Succop making a 42-yard field goal.The Titans tried to come back, but only came away with Collins completing a 22-yard TD pass to TE Jared Cook, which wasn't enough for a win. With the loss, the Titans fell to 6-9 and were given their first losing season since 2005.
How many touchdown passes did Collins throw?
2