IndyCar news round up 21 April

A round up of the latest news from IndyCar on 21 April. Excitement rises for Fernando Alonso’s Indy 500 bid, Charlie Kimball looks to get his season back on track and JR Hildebrand is ruled out of the Honda Grand Prix of Alabama. Veach subs for injured Hildebrand at Barber (IndyCar.com) IndyCar rookie Zac Veach will make…