Valspar Championship: The PGA Tour comes to Tampa Bay through Sunday to play the Copperhead Course. Defending champion Kevin Streelman returns. This event will be televised on the Golf Channel and NBC Sports. $40 daily, $65 week pass; 15 and younger free with ticketed adult. Innisbrook Resort and Golf Club, 36750 U.S. 19 N, Palm Harbor. (727) 942-5566; valsparchampionship.com.
Airpark Open House: The public can get a close look at a Coast Guard helicopter, Army helicopter, Bayflite and other aircraft at this family day with children's activities, reduced-rate airplane and helicopter rides, K-9 demonstrations, free hot dogs and soft drinks and an appearance by hometown astronaut Nicole Stott. 10 a.m.-3 p.m. Saturday. Free. Clearwater Airpark, 1000 N Hercules Ave. (727) 443-3433.
Philadelphia Phillies Spring Training: 1:05 p.m. Thursday. $14-$34. Bright House Field, 601 N Old Coachman Road, Clearwater. (727) 467-4457; philadelphia.phillies.mlb.com.
Toronto Blue Jays Spring Training: Thursday against the Houston Astros and Friday against the Boston Red Sox. All games begin at 1:05 p.m. $16-$24. Florida Auto Exchange Stadium, 373 Douglas Ave., Dunedin. (727) 733-0429; bluejays.com.
Mutt Madness: Pets of all types are invited to the eighth annual family event with a pet-owner dance contest, a dog singing competition, pet-owner look-alike contest, K-9 artist, pet vendors, children's play area, food court and adoptable pets. 11:30 a.m.-5 p.m. Saturday. Free; $5 parking. Highlander Park, 1920 Pinehurst Road, Dunedin. (727) 786-1330; muttmarch.info.
St. Patrick's Day Party at Cricketers: This three-day parking lot party under a tent sports a large stage for five live bands, a dunk tank, beads, face painting, food and drink. 3:30 p.m. Saturday, 3 p.m. Sunday and 4 p.m. Monday. Free admission. Cricketers Dunedin, 2634 Bayshore Blvd. (727) 736-1322; cricketerspub.com.
St. Patrick's Weekend Party: The annual tent party at O'Keefe's features corned beef and cabbage, green beer, Irish drinks, dancers, bagpipers, a face painter, rock climbing, balloon artists, a bounce house, flame throwers and live music. 5 p.m. Saturday to 1 a.m. Sunday, noon to midnight Sunday and 11 a.m. Monday to 1 a.m. Tuesday. $5-$10. O'Keefe's Family Tavern and Grille, 1219 S Fort Harrison Ave., Clearwater. (727) 442-9034; okeefestavernonline.com.
Premiere of Indie Film Drink: This short indie drama by local filmmaker Cam Simon chronicles the journey one Marine takes upon his return from the conflict in Iraq. Proceeds from ticket sales benefit Silver Star Families of America. 7 p.m. Saturday. $5. Largo Cultural Center, 105 Central Park Drive. (727) 488-9732; largoarts.com.
Touching the Invisible: Join psychic Caryl Dennis and tour guide Laura Dent for a paranormal exploration of Safety Harbor's tree-lined downtown area, once a Tocobaga Indian village and the site of the town's healing Espiritu Santo springs. 7:30-9:30 p.m. Saturday. $25. John Wilson Park and Gazebo, 401 Main St., Safety Harbor. (727) 687-8785; safetyharbortours.com.
Quilt Show: 15th annual juried quilt show with vendor mall, auctions, appraisals, make-and-take booth and boutiques. 10 a.m. to 5 p.m. Friday and 10 a.m. 4 p.m. Saturday. $7, 12 and younger free. Minnreg Building, 6340 126th Ave. N, Largo. (727) 821-9093.
Pot O' Gold Art Show: This St. Patrick's Day-themed art show features finger food, door prizes, music, games and locally crafted green and Irish art for sale. 1-3 p.m. Friday. Free; cost of art and food additional. 7 Arches Art Gallery & Boutique, 1248 County Road 1, Dunedin. (727) 724-7278.