Phillies' 2008 World Series Champion Carlos Ruiz, along with the Seattle Mariners, is coming to Citizens Bank Park for a two-game series (May 9-10). Following the series, the entire Phillies roster will be volunteering at the family-fun Phillies Phestival on May 11, the team's annual autograph and auction party to help strike out ALS.
Below are some of the must-know highlights when coming to the ballpark; plus, prepare for your visit to Citizens Bank Park by checking out What's New at the Ballpark in food, fashion and fandom.
ALS patient Chris Pendergast, from Riverhead, NY, will be recognized on-field for his dedication to #StrikeOutALS. Every year for the past 19 years, Chris has led the ALS Ride for Life to benefit ALS Research, raising awareness and funds for research, patient services and family support for the ALS community.
Fans can help support the fight against ALS. Tickets are still available for the Phillies Phestival at phillies.com/philliesphestival, being held on May 11, rain or shine, from 4 - 6 p.m. at Citizens Bank Park to #StrikeOutALS. The entire Phillies roster takes part in the autograph and auction party, which also includes bullpen throws, photo booth sessions with the Phanatic and Charlie Manuel, fun games and more.
Get ready for NASCAR driver Ryan Reed, an American professional stock car racing driver currently competing full-time in the NASCAR XFINITY Series, to throw out a speedy first pitch Tuesday as part of NASCAR Night. Prior to the game, fans can stop by Citizens Bank Way to check out NASCAR show cars, pace cars and life-sized cars from Disney's "Cars 3".
Also, all fans can purchase a hot dog for $1.00 at any concession stand.
Plus, former Phillies' catcher Carlos Ruiz returns to Philadelphia for the first time since being traded.
Also on Tuesday, May 9, the entire Class of 2017 is invited to come and celebrate their achievements. Features an awesome 'Outta Here!' T-shirt - available only through a Theme Night Ticket offer here. 
On Wednesday, May 10, fans are invited to head out of the office and enjoy an afternoon of baseball at the Citizens Bank Businessperson's Special during the 1:05 p.m. Phillies-Mariners game. It's a great way to kick back with coworkers or entertain a client.
It's the ultimate field trip experience on Wednesday! Students from all across the Delaware Valley are coming to the ballpark to take part in a special Weather Education Day Program presented by meteorologists from NBC10 and . The event is available only through a special Theme Night Ticket offer here.  
Gate Openings: Ashburn Alley opens two hours prior to game time; all gates open one and a half hours prior to game time.
Fandom: Check-in using Ballpark, Citizens Bank Park's official mobile app, to receive special offers for retail, concessions and more. Also, follow the action via @Phillies on Twitter, Instagram, Facebook and Snapchat.
Broadcast: For the most up-to-date TV broadcast schedule, please go to Phillies.com. MLB.TV and SportsRadio 94WIP will host all games during the season. CSN Philly will stream the games, as well as the pre- and post-game shows, on www.csnphilly.com and on the NBC Sports app.
Traffic: Please monitor traffic to avoid any road closures and/or delays. Log on to www.511pa.com, www.511nj.org or call 511 from any phone to check traffic conditions. Transit services are also available; for a SEPTA schedule please visit www.septa.org.